LA, LH, Q4 Molded Case Circuit Breakers
Basic thermal magnetic protection from 125 to 400A as part of the Square D portfolio of molded case circuit breakers.
Products
Overview
Features
LA, LH and Q4 molded case circuit breakers provide basic thermal magnetic protection. Their primary functions are to provide a means to manually open a circuit and automatically open a circuit under overload or short circuit conditions.
Consider using PowerPact™ range of molded case circuit breakers for situations requiring circuit breaker accessories, communication, lugs and auxiliaries.
Consider using PowerPact™ range of molded case circuit breakers for situations requiring circuit breaker accessories, communication, lugs and auxiliaries.
LA and LH Features
- Available in 2-3 pole design
- Fixed thermal magnetic trip units from 125-400A at up to 600 Vac and 250 Vdc
- Interrupting ratings 30 kA at 480 Vdc and 10 kA at 250 Vdc. LH is available with 35 kA at 480 Vac and 50 kA at 250 Vdc
- Automatic molded case switches are available in LH (2 and 3 pole)
- Available in Unit-mount, I-line and rear-connect constructions
- UL 489, CSA, IEC certified
Q4
- Available in 2-3 pole design
- Thermal magnetic trip units from 250-400A at up to 240 Vac
- Interrupting ratings 25 kA at 240 Vac
- Automatic molded case switches available with a 400 A, 240Vac rating (2 and 3 pole)
- mount and I-line constructions
- UL 489, CSA, IEC certified
Benefits
Economical thermal magnetic protection
Applications
Construction
Commercial Buildings
Control Equipment Panels
Industrial Buildings
Mining
OEM Commercial
Commercial Buildings
Control Equipment Panels
Industrial Buildings
Mining
OEM Commercial