36944

Discontinued

36944

trip unit - STR53UP FI - 3 poles 3d

36944 has not been replaced. Please contact your customer care center for more information.

* Price is “List Price” and may be subject to a trade discount – check with your local distributor or retailer for actual price.

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Main
range of product	NSJ400...600
product or component type	Trip unit
range compatibility	Compact NSJ400...600
device application	Distribution
poles description	3P
protected poles description	3t
network type	AC
network frequency	50/60 Hz
trip unit name	STR53UP
trip unit technology	Electronic
protection type	Overload protection (long time) Instantaneous short-circuit protection Short time short-circuit protection
trip unit rating	250 A 104 °F (40 °C) 400 A 104 °F (40 °C) 630 A 104 °F (40 °C) 150 A 104 °F (40 °C)

Complementary
neutral protection setting	0.5 x Ir 1 x Ir No protection
long time pick-up adjustment type Ir	Adjustable 8 settings
[Ir] long time pick-up adjustment range	0.8...1 x In
long time delay adjustment type	Adjustable
[tr] long-time delay adjustment range	0.5…8 s
short-time pick-up adjustment type Isd	Adjustable 7 settings
[Isd] short-time pick-up adjustment range	1.5...7 x Ir
short-time delay adjustment type	Adjustable 4 settings
[tsd] short-time delay adjustment range	0.015…0.06 s 0.06…0.14 s 0.14…0.23 s 0.23…0.35 s
instantaneous pick-up adjustment type Ii	Adjustable 7 settings
display type	LED

Environment
product certifications	KEMA LCIE ASTA

Contractual warranty
Warranty	18 months