Catalogs > Industrial Controls Catalog > Motor Control, IEC > Molded Case Circuit Breakers > Bulletin 140U Product Line Overview

Bulletin 140U Product Line Overview

Introduction

Standards Compliance and Certifications

Quick Selection

Cat. No. Explanation

Examples given in this section are for reference purposes. This basic explanation should not be used for product selection; not all combinations will produce a valid cat. no. Refer to the tables on the following pages for descriptions of options.

Complete Circuit Breaker Assemblies

140U

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C50

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a		b		c		d
Bulletin Number		Frame/Rating		Interrupting Rating/Breaking Capacity (based on I_c at 480V)		Protection Type
Code	Description	Code	Description	Code	Description	Code	Description
140U	Molded Case Circuit Breaker	D	30 A	2	20…29 kA	C	Fixed thermal/fixed magnetic
		G	100 A	3	30…39 kA	D	Fixed thermal/adjust magnetic
		H	125 A	5	50…59 kA	E	Adjust thermal/fixed magnetic
		J	250 A	6	60…69 kA	F	Adjust thermal/adjust magnetic
		K	400 A	8	80…89 kA	G	Electronic (LSG — long, short, ground fault)
		L	600 A	0	³100 kA	H	Electronic (LSI — long, short, high instant)
		M	800 A			I	Electronic (LSIG — long, short, high instant, ground fault)
		N	1200 A			J	Electronic (LSII — long, short, high instant, instantaneous maintenance mode)
		R	2500 A			K	Electronic (LSIIG — long, short, high instant, instantaneous maintenance mode, ground fault)
						L	Electronic (LS — long and short time)
						S	Molded case switch (Isolator)

e		f		g		h
Poles		Current Range		Internal Control Modules		Voltage Code
Code	Description	Code	Description	Code	Description	See the following for voltage code descriptions:
1	1 poles	C	10 rr. A	A	1 auxiliary contact	All frame sizes Internal Control Modules — Factory Installed For use with H-, J-, K-, L-, M-, and N-Frame Molded Case Circuit Breakers
2	2 poles	D	100 rr0 A	B	2 auxiliary contacts
3	3 poles	E	1000 rr00 A	D	1 alarm contact
				F	1 auxiliary + 1 alarm contact
				G	Undervoltage release only
				P	Shunt trip only
				Control Module Combinations
				Code	Description
				H	1 auxiliary contact + undervoltage release
				J	2 auxiliary contacts + undervoltage release
				L	1 auxiliary + 1 alarm contact + undervoltage release
				N	1 alarm contact + undervoltage release
				Q	1 auxiliary contact + shunt trip
				R	2 auxiliary contacts + shunt trip
				T	1 auxiliary + 1 alarm contact + shunt trip
				V	1 alarm contact + shunt trip

140U	–	J		3		X		3
a		b		c		d		e

a		b		c		d
Bulletin Number		Frame/Rating		Interrupting Rating / Breaking Capacity		Protection Type
Code	Description	Code	Description	Code	Description	Code	Description
140U	Molded Case Circuit Breaker	J	250 A	2	20…29 kA	X	Frame Only
		K	400 A	3	30…39 kA
		Q	600 A	5	50…59 kA
		M	800 A	6	60…69 kA
				8	80…89 kA
				0	³100 kA

e
Poles
Code	Description
3	3 poles

Trip Units

140U	–	J		T		D		3	–	D25
a		b		c		d		e		f

a		b		c		d
Bulletin Number		Frame/Rating		Trip Unit		Protection Type
Code	Description	Code	Description	Code	Description	Code	Description
140U	Molded Case Circuit Breaker	J	250 A	T	Trip unit	C	Fixed thermal/fixed magnetic
		K	400 A			D	Fixed thermal/adjust magnetic
		L	600 A			E	Adjust thermal/fixed magnetic
		M	800 A			F	Adjust thermal/adjust magnetic
						G	Electronic (LSG — long, short, ground fault)
						H	Electronic (LSI — long, short, high instant)
						I	Electronic (LSIG — long, short, high instant, ground fault)
						J	Electronic (LSII — long, short, high instant, instantaneous maintenance mode)
						K	Electronic (LSIIG — long, short, high instant, instantaneous maintenance mode, ground fault)
						L	Electronic (LS — long and short time)
						S	Molded case switch (Isolator)

e		f
Poles		Current Range
Code	Description	Code	Description
3	3 poles	C	10 rr. A
		D	100 rr0 A
		E	1000 rr00 A