Schneider Electric Class 615 dimensions Trip Units, Protection

Compact® NSF and NSJ 150 to 600 A Circuit Breakers

Section 4—Trip Units

SECTION 4—TRIP UNITS

TRIP UNITS FOR COMPACT® NSF150 AND NSF250 CIRCUIT BREAKERS

Compact NSF150 and NSF250 circuit breakers are equipped with thermal-magnetic (TM) trip units.

Protection • Against overload (1) with a fixed thermal protection

•Against short circuits (2) with fixed (on NSF150) or adjustable (on NSF250) magnetic protection

06153064	t
	1

12

Ir	Im	10	5		TM 250 D	2
250 A		9			250A / 40°C
		8	6
			7
		x 250 A		Ir	Im

												0	Ir	Im				I
Trip Units for Compact® NSF150–NSF250			TM15DP–TM250DP Trip Units
Circuit Breakers
Rating (A)	In	40° C	15	20	30	40	50	60	70	80	90	100	125	150	175	200	225	250
3P		50° C	14.2	19	28.5	38	47.5	57	66.5	76	85	95	118	142	166	190	213	237
4P3T		60° C	13.5	18	27	36	45	54	63	72	81	90	112	135	158	180	203	225
4P4T		70° C	12.8	17	25.6	34.2	43	51	60	68	77	85	107	128	150	171	192	214
Circuit Breaker	Compact® NSF150 N/H		■	■	■	■	■	■	■	■	■	■	■	■
	Compact® NSF250 N/H														■	■	■	■
			TM100OSN–TM150OSN Trip Units
			Phase		Neutral		Phase		Neutral		Phase		Neutral
Rating (A)	In	40° C	100		150		125		250		150		250
4P OSN		50° C	95		142		118		237		142		237
		60° C	90		135		112		225		135		225
		70° C	85		128		107		214		128		214
Overload Protection
Thermal		3P	Non-adjustable
		4P3T										Non-adjustable, No Neutral Protection
		4P4T										Non-adjustable
		4P OSN*										Non-adjustable
Short-circuit Protection
Magnetic			Non-adjustable												Adjustable
	Compact® NSF150		400			500		1000					1250	1500
	Compact® NSF250														5–10 x In
		4P3T										No Neutral Protection
Neutral Protection		4P4T										1000	1250	1500	5–10 x In
		4P OSN*										1000	1250	1500
*Oversized Neutral

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