Molded Case Circuit Breakers

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Bulletin 140U N-Frame

Product Selection — 1200 A, N-Frame

• UL 489
  
• CSA 22.2, No. 5
  
• IEC 60947-2
  
• CE
  
• KEMA-KEUR
  

Note: Terminal box lugs must be ordered separately. See

Assembled Circuit Breakers, Electronic Trip Units

Rated Current In [A]	Adjustment Range Ir [A]		Protection Type	Breaking Capacity (50 Hz)								Interrupting Rating (60 Hz) [kA]			Cat. No.
	Thermal Trip Ir = 0.5…1.0 x In	Magnetic Trip Im = 2…8 x In		Icu /Ics [kA]
				220…240V		380…415V		500V		690V		240V	480V	600V
1200	600…1200¬	1200…10600	LS	85	85	50	50	40	20	20	10	65	50	25	140U-N5L3-E12
			LS	100	100	70	50	50	25	25	13	100	65	35	140U-N6L3-E12
1200	600…1200¬	1200…10600	LSI	100	100	70	50	50	25	25	13	100	65	35	140U-N6H3-E12
			LSG	100	100	70	50	50	25	25	13	100	65	35	140U-N6G3-E12
			LSIG	100	100	70	50	50	25	25	13	100	65	35	140U-N6I3-E12
1200	600…1200¬	1200…10600	LS	200	100	100	50	65	33	35	18	200	100	50	140U-N0L3-E12
			LSI	200	100	100	50	65	33	35	18	200	100	50	140U-N0H3-E12
			LSG	200	100	100	50	65	33	35	18	200	100	50	140U-N0G3-E12
			LSIG	200	100	100	50	65	33	35	18	200	100	50	140U-N0I3-E12
¬ Select proper rating plug to cover thermal trip equipment.

Rating Plugs

Rated Current In [A]	Cat. No.	Rated Operational Current In [A]	Cat. No.
600	140U-NRP3-D60	900	140U-NRP3-D90
700	140U-NRP3-D70	1000	140U-NRP3-E10
800	140U-NRP3-D80	1200	140U-NRP3-E12

Molded Case Switch — UL 489

Rated Current In [A]	Magnetic Trip 10 x In	Breaking Capacity (50 Hz) Icu /Ics [kA]								Interrupting Rating (60 Hz) [kA]			Cat. No.
		220…240V		380…415V		500V		690V		240V	480V	600V
1200	12000	100	100	70	50	50	25	25	13	100	65	35	140U-N6S3-E12