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Surge Protection and Power Conditioning

ASCO Surge Protection Devices

ASCO Model 950 (MVF Series) Surge Protective Device

ASCO Model 950 (MVF Series) Surge Protective Device

Medium Voltage | 1000–4100 VAC | 120 kA/240 kA Per Phase. The ASCO Model 950 (MVF Series) is a medium-voltage surge device with a dedicated fuse box and is intended for light industrial and heavy-duty applications.

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ASCO Model 575 Surge Protective Device

ASCO Model 575 Surge Protective Device

120 VAC | 20 kA (SAD) / 160 kA (MOV) per Mode. The ASCO Model 575 R56 Surge Protective Device utilises advanced SAD/MOV array technology for industry-leading transient suppression voltages and offers a true, coordinated multi-stage system of suppression.

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ASCO Model 570 Surge Protective Device

ASCO Model 570 Surge Protective Device

120–480 VAC | 250–750 kA/Phase. The ASCO 570 Surge Protective Device is a true hybrid, offering a coordinated multi-stage system of suppression, integrating the fast response time of the silicon avalanche diode (SAD) modules with the high-energy capability of the MOV modules. Superior clamping at surge current ratings up to 375 kA per mode or 750 kA per phase.

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ASCO Model 565 Surge Protective Device

ASCO Model 565 Surge Protective Device

120–480 VAC | 160 kA (MOV) Per Mode. The ASCO Model 565 Surge Protective Device (SPD) is approved by Motorola R56 Committee, Standards and Guidelines for Communication Sites – Type 2 Device.

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ASCO Model 570 Surge Protective Device

ASCO Model 560 Surge Protective Device

120–480 VAC | 160–750 kA/Phase. Repetitive life cycle capability, high-energy capacity and years of proven field experience allow us to confidently recommend the ASCO Model 560 Surge Protective Device for any "HIGH-RISK" location or "CRITICAL" process. A modular design with available surge current ratings from 160 kA to 750 kA per phase. Provides facility-wide surge suppression and EMI/RFI filtering at service entrance and distribution panels.

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ASCO Model 520 Surge Protective Device

ASCO Model 520 Surge Protective Device

120–480 VAC | 130–500 kA/Phase. The ASCO Model 520 Surge Protective Device offers continuous protection from damaging transients and electrical line noise, utilising patented circuitry to monitor the status of all protection modes, including neutral to ground. Should protection be unavailable in any mode, the green LED will be extinguished, and the red LED will be illuminated. The ASCO Model 520 can be installed on any panel within your facility, making it the ideal choice for cascaded applications.

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ASCO Model 515 Surge Protective Device

ASCO Model 515 Surge Protective Device

120–300 VAC | 130–160 kA/Phase. The ASCO Model 515 Surge Protective Device, is a panel board extension offering continuous protection from damaging transients and electrical line noise. The ASCO Model 515 utilises patented circuitry to monitor the status of all protection modes, including neutral to ground. Should protection be unavailable in any mode, the green LED will be extinguished, and the red LED will be illuminated.

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ASCO Model 510 Surge Protective Device

ASCO Model 510 Surge Protective Device

120–480 VAC | 65–160 kA/Phase. The ASCO Model 510 Surge Protective Device offers continuous protection from damaging transients and electrical line noise. It utilises patented circuitry to monitor the status of all protection modes, including neutral to ground. Excellent choice for retro-fit installations.

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ASCO Model 485 Surge Protective Device

ASCO Model 485 Surge Protective Device

120–600 VAC | 600–900 kA/Phase. The ASCO Model 485 Surge Protective Device is our largest, highest kA (SPD). The Model 485 utilises two separate, dual redundant replaceable modules that work in parallel. It features large block, 50 kA thermally protected MOVs with surge current levels of 600–900 kA per phase. This unit is for "mission-critical" environments.

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ASCO Model 480 Surge Protective Device

ASCO Model 480 Surge Protective Device

120–600 VAC | 400–1000 kA/Phase. The ASCO Model 480 Surge Protective Device is our largest, highest kA (SPD). The Model 480 utilises two separate, dual redundant replaceable modules that work in parallel. It features large block, 50 kA thermally protected MOVs with surge current levels of 400 kA, 600 kA, 800 kA and 1000 kA per phase. This unit is for "mission-critical" environments.

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ASCO Model 460 Surge Protective Device

ASCO Model 465 Surge Protective Device

120–480 VAC; 3-Phase Wye, 4-Wire + G | 150 600 kA/Phase. The ASCO Model 465 is a modular, DISCRETE 10-MODE, surge protective device capable of diverting high-energy transients. The Model 465 incorporates either single or dual modules that contain multiple, large-block MOVs. Each MOV incorporates a thermal disconnecting feature that monitors the status of each inner metal disc and safely removes the component during abnormal conditions.

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ASCO Model 460 Surge Protective Device

ASCO Model 460 Surge Protective Device

120–600 VAC | 100–400 kA/Phase. A modular surge protective device capable of diverting high-energy transients. The ASCO Model 460 incorporates either single or dual modules that contain multiple, large-block MOVs.

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ASCO Model 453 Surge Protective Device

ASCO Model 453 Surge Protective Device

120–600 VAC | 300–450 kA/Phase. The ASCO Model 453 Surge Protective Device is designed for "mission-critical" environments – offering our highest kA internal-mount (SPD); including surge current levels of 300 kA and 450 kA per phase and featuring a unimodular replaceable module design with large block 50 kA thermally protected MOVs.

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ASCO Model 452 Surge Protective Device

ASCO Model 452 Surge Protective Device

120–600 VAC | 200–500 kA/Phase. The ASCO Model 452 Surge Protective Device is designed for "mission-critical" environments – offering our highest kA internal-mount (SPD); including surge current levels of 200 kA, 250 kA, 300 kA, 400 kA, 450 kA and 500 kA per phase and featuring a unimodular replaceable module design with large block 50 kA thermally protected MOVs.

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ASCO Model 451 Surge Protective Device

ASCO Model 451 Surge Protective Device

120–480 VAC | 150–300 kA/Phase. The ASCO Model 451 Surge Protective Device utilises unimodular replaceable module design with large block 50 kA thermal protected MOVs with surge current levels of 150 kA or 300 kA per phase. Discrete All-Mode Protection

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ASCO Model 450 Surge Protective Device

ASCO Model 450 Surge Protective Device

120–600 VAC | 100–300 kA/Phase. The ASCO Model 450 Surge Protective Device utilises unimodular replaceable module design with large block 50 kA thermal protected MOVs with surge current levels of 100 kA, 150 kA, 200 kA, 250 kA and 300 kA per phase.

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ASCO Model 445 Surge Protective Device

ASCO Model 445 Surge Protective Device

120–600 VAC | 150–450 kA/Phase. The ASCO Model 445 Surge Protective Device is a non-modular, DISCRETE-10 Mode product incorporating the same design platform as the ASCO Model 460; high-energy capable, thermally protected large block MOVs and a similar assortment of accessories. The Model 445 is ideal for use in distribution and sub-distribution applications and its non-modular construction allows it to be installed in areas where space is limited.

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ASCO Model 440 Surge Protective Device

ASCO Model 440 Surge Protective Device

120–600 VAC| 100–300 kA/Phase. The ASCO Model 440 Surge Protective Device is non-modular, incorporating the same design platform as the ASCO Model 460 SPD; high-energy capable, thermally protected large block MOVs and a similar assortment of accessories.

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ASCO Model 430 Surge Protective Device

ASCO Model 430 Surge Protective Device

120–600 VAC | 100–200 kA/Phase. A surge protective device that offers high-end surge capability at a competitive price. The ASCO Model 430 uses thermally protected MOVs, provides EMI/RFI filtering in a package that focuses on basic features and reliable performance.

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ASCO Model 425 Surge Protective Device

ASCO Model 425 Surge Protective Device

120–600 VAC | 100 kA/Phase. The ASCO Model 425 Surge Protective Device uses thermally protected MOVs, is designed in a NEMA 4X enclosure and is tested as a UL 1449 Type 1 device, so it can be placed on the line or load side of the main disconnect.

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ASCO Model 420 Surge Protective Device

ASCO Model 420 Surge Protective Device

120–600 VAC | 50 kA/Phase. The ASCO Model 420 is a compact Surge Protective Device that protects line to neutral and neutral to ground. The Model 420 uses thermally protected MOVs, is tested as a UL 1449 Type 1 device and is in a NEMA 4X enclosure, making this an ideal choice for both panel and equipment locations.

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ASCO Model 360 Surge Protective Device

ASCO Model 360 Surge Protective Device

120–240 VAC | 36–180 kA/Phase. The ASCO Model 360 Surge Protective Device utilises robust, 25 mm thermally protected MOVs with surge current levels of 36 kA to 180 kA per phase. With its high energy parallel design for Category C3 and C-High applications, the ASCO Model 360 is an excellent choice for external mounting next to switchgear, motor control centres or panel boards.

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ASCO Model 350 Surge Protective Device

ASCO Model 350 Surge Protective Device

120–480 VAC | 25–50 kA/Phase. Available with surge current ratings up to 80 kA per mode or 160 kA per phase. Protects connected equipment against electric power line disturbances and transients in medium exposure locations.

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ASCO Model 335 Surge Protective Device

ASCO Model 335 Surge Protective Device

120–240 VAC | 72 180 kA/Phase. The ASCO Model 335 Surge Protective Device shields motor-driven appliances in residential and light commercial applications against electrical power surge damage entering through the main electrical service panel.

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ASCO Model 331 Surge Protective Device

ASCO Model 331 Surge Protective Device

120/240 VAC | 80 kA/Phase. The ASCO Model 331 (Edco® EMC-240B) Surge Protective Device is designed to protect AC distribution panel circuits or 120 V power supplies feeding sensitive electronic equipment. Electrically, the unit incorporates MOV and thermal fusing technology.

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ASCO Model 330 Surge Protective Device

ASCO Model 330 Surge Protective Device

120–480 VAC | 160 kA/Phase. The ASCO model 330 Surge Protective Device provides highly configurable voltage designs and 160 kA per phase ratings.

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ASCO Model 318 Surge Protective Device

ASCO Model 318 Surge Protective Device

20–600 VAC / 600–1000 VDC(PV) | 25–50 kA/Phase. The ASCO Model 318 DIN-Rail Mounted Surge Protective Device makes it easy to embed state-of-the-art transient protection into automated processes and provide protection for sensitive circuits. The ASCO Model 318 Surge Protective Devices use large block MOVs with a patented thermal detection circuit, eliminating the need for separate overcurrent fusing, allowing for a smaller footprint where space is an issue.

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ASCO Model 310 Surge Protective Device

ASCO Model 310 Surge Protective Device

120/208–346/600 VAC | 40 kA. The ASCO Model 310 (DRS Series) Surge Protective Device is designed to be easily installed in power and control panels using standard DIN-rail mounting brackets. The ASCO Model 310 offers 40,000 amps of both normal and common mode surge protection. It's available in single-phase, split-phase, three-phase (three wires) and three-phase (four wires) configurations.

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ASCO Model 277 (Islatrol IE) Surge Protective Device

ASCO Model 277 (Islatrol IE) Surge Protective Device

120/240 VAC | 45 kA. The ASCO Model 277 (Islatrol® IE) is a series-connected DIN or flange-mounted high-frequency noise filter and surge suppressor. Its ideal applications include critical industrial loads drawing up to 20 amps of continuous current, while typical applications include any microprocessor-based products, including industrial PLCs, OEM applications and motion control systems.

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ASCO Model 275 (Islatrol IC-LRIC) Surge Protective Device

ASCO Model 275 (Islatrol IC-LRIC) Surge Protective Device

120 Volt: 150 VRMS / 240 Volt: 275 VRMS | 45 kA Per Phase. The ASCO Model 275 (Islatrol® IC+ Series) AC Power Filter is a series-connected high-frequency noise filter with transient protection. It offers the flexibility of either receptacle/line cord connection or hard-wired connection to critical loads (up to 30 A). Applications include industrial or office equipment, computers placed in harsh environments.

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ASCO Model 270 (Islatrol E) DC Surge Protective Device

ASCO Model 270 (Islatrol E) DC Surge Protective Device

0–215 VDC | 5-7.5 A. ASCO Model 270 (Islatrol® E) Surge Protective Device provides continuous sine wave Active Tracking Filtering, normal mode (L–L or L–N), for protection from spikes, transients and noise. Available in either hardwired, printed circuit board mount, wire lead mount or single receptacle/line cord configurations, single phase or three phase, 50/60 Hz.

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ASCO Model 265 (Edco SLAC) Surge Protective Device

ASCO Model 265 (Edco SLAC) Surge Protective Device

120 VAC or 0–30 VDC | 39 kA. The ASCO Model 265 Surge Protective Device is specifically designed to protect electronic instrumentation utilised by the water/wastewater industries. It combines hybrid AC power protection and signal line protection in a NEMA-4X polycarbonate case. The AC power suppressor can supply up to 1,875 W and has a 15 A replaceable fuse to prevent overloading of the protective elements. The "Power On" LED provides visual indication that power is applied to instruments.

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ASCO Model 258 (Edco SHA-1250) Surge Protective Device

ASCO Model 258 (Edco SHA-1250) Surge Protective Device

120 VAC | 45 kA/Phase. The ASCO Model 258 Surge Protective Device is an upgraded version of the ASCO Model 257 (Edco® SHA-1210IRS). The two models are equal in surge protection performance. Model 258 also incorporates two LEDs for failure indicator in a modular package (utilises 12-pin Beau connector). The hardwire terminal base (SHABA accessory) accommodates all wiring and the protection module is designed for easy replacement.

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ASCO Model 257 (Edco SHA-1210IRS) Surge Protective Device

ASCO Model 257 (Edco SHA-1210IRS) Surge Protective Device

120 VAC | 40 kA (L–N), 40 kA (L–G), 13 kA (N–G), 93 kA/Total. The ASCO Model 257 (Edco® 1210IRS) offers greater total peak surge current capacity and better filtering than the model 254 and also incorporates a failure indicator as well as remote sensing circuitry. In addition, the method of wire termination is different, utilising wire leads and terminal block connectors on the Model 257 instead of stud connections.

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ASCO Model 256 (Edco SHA-1235FS) Surge Protective Device

ASCO Model 256 (Edco SHA-1235FS) Surge Protective Device

120 VAC | 100 kA/Phase. The ASCO Model 256 is a FingerSafe 120 VAC single-phase 2W+G, 30 A surge suppressor/filter designed to shunt electrical type transients affecting the electrical distribution inside a traffic cabinet.

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ASCO Model 254 (Edco SHA-1210) Surge Protective Device

ASCO Model 254 (Edco SHA-1210) Surge Protective Device

120 VAC | 39 kA/Phase. The ASCO Model 254 (Edco® SHA-1210) Surge Protective Device and Filter absorbs power line noise and switching transients that other suppressors and RFI filters pass through. The Model 254 can replace the RFI filter when high attenuation of noise above 25 MHz is not required.

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ASCO Model 252 (Edco HSP Series) Surge Protective Device

ASCO Model 252 (Edco HSP Series) Surge Protective Device

120 VAC | 39 kA/Phase. The ASCO Model 252 Surge Protective Device is an advanced three-stage hybrid, solid-state power line protector. Features such as noise filtering, common mode and normal mode suppression, nanosecond reaction time, power line tracking and compression screw terminations make the Model 252 Surge Protective Device an excellent choice in commercial and industrial applications.

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ASCO Model 251 (Edco SHP Series) Surge Protective Device

ASCO Model 251 (Edco SHP Series) Surge Protective Device

120 or 240 VAC | 58.5 kA. The ASCO Model 251 (Edco® SHP) Surge Protective Device's hybrid design exhibits performance levels unattainable with simple "shunt type" protectors. The two active clamp stages, large inductor and shunt capacitance effectively halt high rate-of-rise surge waveforms, thus preventing initial voltage overshoot.

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ASCO Model 250 (Edco INXT) Surge Protective Device

ASCO Model 250 (Edco INXT) Surge Protective Device

120 VAC, Single Phase, 2 Wires (L–N). The ASCO Model 250 (Islatrol ® INXT) is a 120 VAC, 60 A, EMI/RFI filter. The Model 250 is a series-connected device, designed to filter electrical transients impinging on electrical distribution within a traffic control cabinet.

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ASCO Model 247 (Islatrol®) Surge Protective Device

ASCO Model 247 (Islatrol®) Surge Protective Device

120 VAC | 40 kA/Phase. The ASCO Model 247 (Islatrol® RM) Rackmount Surge Protective Device is ideal for protecting the power feeding valuable rack equipment. Status LEDs indicate the correct power is coming to the unit, whether the unit is properly grounded and whether the surge components are still intact. Units are available with an optional digital meter, mounted on the front of the unit, which will monitor the voltage, current and power of the protected equipment.

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ASCO Model 243 (Edco PS-6DL) Surge Protective Device

ASCO Model 243 (Edco PS-6DL) Surge Protective Device

120 VAC | 30 kA (L–N), 15 kA (L–G, N–G). The ASCO Model 243 transient voltage surge protector is ideal for home/office PCs and other desktop equipment that require clean power. Model 243 is rated 120 V, 15 A max. and contains six protected outlets.

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ASCO Model 241 (Powersure ACTVSS) Surge Protective Device

ASCO Model 241 (Powersure ACTVSS) Surge Protective Device

120–240 VAC: 2 Wires | 10 kA. The ASCO Model 241 (Powersure ACTVSS) Surge Protective Device is a plug-in surge protector for single phase UPS products and other sensitive electronics. It is a high-quality power conditioning solution that protects the connected equipment against power surges and transients.

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ASCO Model 238 (Edco TCS-HWR) Surge Protective Device

ASCO Model 238 (Edco TCS-HWR) Surge Protective Device

120 V | L–N: 32 kA, L–G: 8 kA, N–G: 8 kA. Utilising bipolar silicon avalanche diode (SAD) technology, the ASCO Model 238 features a two-stage design that provides superior protection for sensitive equipment and for ANSI/IEEE C62.41 Location Category A applications.

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ASCO Model 237 (Edco FAS-120AC) Surge Protective Device

ASCO Model 237 (Edco FAS-120AC) Surge Protective Device

120 VAC | 15.5 kA (8 x 20 μs). The ASCO Model 237 (Edco® FAS-120AC) Surge Protective Device is designed to protect AC distribution panel circuits or 120 V power supplies feeding sensitive electronic equipment.

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ASCO Model 235 (Edco SHA) Surge Protective Device

ASCO Model 235 (Edco SHA) Surge Protective Device

Single Phase 2W+G | 52 kA. The ASCO Model 235 (Edco® SHA) Surge Protective Device provides surge protection for highway lighting/street pole applications. The suppressor is encapsulated in a compact, watertight enclosure that can be installed inside the pole.

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ASCO Model 234 (Edco SHA-1201) Surge Protective Device

ASCO Model 234 (Edco SHA-1201) Surge Protective Device

120 VAC | 53 kA/Phase. The ASCO Model 234 (Edco® SHA-1201) Surge Protective Device is specifically designed for type 170 traffic controller cabinets that require power neutral to remain isolated from cabinet earth ground. Protection is provided both between phase-to-neutral and neutral-to-ground. If neutral is bonded to earth ground in the cabinet, the ASCO Model 233 (Edco SPA-100T) should be considered as a cost-effective alternative to the Model 234 (Edco SHA-1201).

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ASCO Model 233 (Edco SPA-100T and SPA-300) Surge Protective Device

ASCO Model 233 (Edco SPA-100T and SPA-300) Surge Protective Device

120 VAC | 13 kA and 40 kA/Mode/Phase/Total (8 x 20 μs). The ASCO Model 233 Surge Protective Device is designed to protect sensitive electronic equipment, such as traffic controllers, from high-energy surges. The Model 233 incorporates MOV technology, which clamps these surges before equipment damage occurs.

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ASCO Model 232 (Edco MPA Series) Surge Protective Device

ASCO Model 232 (Edco MPA Series) Surge Protective Device

120 VAC | 26 kA and 29 kA. The ASCO Model 232 (Edco® MPA) modular output file protector is a modular device intended for use on traffic control load relay outputs. Part numbers 232120NS26KAA9N0 will protect six output circuits and 232120NS26KAA6N0 will protect four output circuits.

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ASCO Model 231 (Edco SPA-303) Surge Protective Device

ASCO Model 231 (Edco SPA-303) Surge Protective Device

120 VAC | 39 kA. The ASCO Model 231 (Edco® SPA-303) is a three-circuit Surge Protective Device intended for use on traffic control load relay outputs. The Model 231 is furnished with three leads and a ground stud.

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