Test Switch

Fused Combination Switches

BS Fuse Version - Standard Operation Test Switches
TP, TPN & TPSN

BS Fuse Version

Standard Operation

Test Switches

Frame Size	Enclosed Rating I the	Open Rating I th	AC22	AC23	MEM Fuse	Triple Pole TP List No.	Triple Pole & Bolted Neutral TPN List No.	Triple Pole & Switched Neutral TPSN List No.
1	32A	32A	32A	32A	BS A1	32ST332	32ST3N32	32ST3SN32
1	63A	63A	63A	63A	BS A2	63ST363	63ST3N63	63ST3SN63
2	63A	63A	63A	45A	BS A3	63ST345	63ST3N45	63ST3SN45
2	100A	100A	100A	63A	BS A3	100ST363	100ST3N63	100ST3SN63
2	100A	100A	100A	100A	BS A3	100ST3100	100ST3N100	100ST3SN100
3	125A	125A	125A	125A	BS A4	125ST3125	125ST3N125	125ST3SN125
3	160A	200A	200A	160A	BS A4	200ST3160	200ST3N160	200ST3SN160
4	200A	200A	200A	200A	BS B2	200ST3200	200ST3N200	200ST3SN200
4a	220A	250A	250A	250A	BS B3	250ST3250	250ST3N250	250ST3SN250
4b	315A	315A	315A	315A	BS B4	315ST3315	315ST3N315	315ST3SN315
4b	345A	400A	400A	400A	BS B4	400ST3400	400ST3N400	400ST3SN400

BS Fuse Version - Standard Operation Test Switches
Frame Size	List. No.	A (mm)	B1 (mm)	B2 (mm)	B3 (mm)	C1 (mm)	C2 (mm)	C3 (mm)	E (mm)	F1 (mm)	G1 (mm)	H1 (mm)	HR (mm)	J1 (mm)	J2 (mm)	K (mm)	L (mm)	M (mm)	N (mm)	P (mm)	Q (mm)	R (mm)	S (mm)	T (mm)	U1 (mm)	U2 (mm)	W1 (mm)	W2 (mm)	W3 (mm)	X (mm)	Y (mm)	Z1 (mm)	Z2 (mm)
1	32ST332	126	91	93	81	98	126	-	88.5	56	-	16.7	175	33.5	20	21	81.5	65	5.5	-	-	121	13	14	78	83	6	7	25.5	6.3	55	38	-
	32ST3N32	146.5							109.5																					SQ
	32ST3SN32	146.5							109.5
1	63TC363	126	91	93	81	98	126	-	88.5	56	-	16.7	175	33.5	20	21	81.5	65	5.5	-	-	121	13	14	78	83	6	7	25.5	6.3	55	38	-
	63ST3N63	146.5							109.5																					SQ
	63ST3SN63	146.5							109.5
2	63ST345	157.5	107	109	86	107	145	166	119.5	72	27	25.5	175	37.5	26.5	31	95.5	65	5.5	18	6	125	15	19	94	99	6.7	6.5	25.5	6.3	55	45	47
	63ST3N45	188.5							150.5																					SQ
	63ST3SN45	188.5							150.5
2	100ST363	157.5	107	109	86	107	145	166	119.5	72	27	25.5	175	37.5	26.5	31	95.5	65	5.5	18	6	125	15	19	94	99	6.7	6.5	25.5	6.3	55	45	47
	100ST3N63	188.5							150.5																					SQ
	100ST3SN63	188.5							150.5
2	100ST3100	157.5	107	109	86	107	145	166	119.5	72	27	25.5	175	37.5	26.5	31	95.5	65	5.5	18	6	125	15	19	94	99	6.7	6.5	25.5	6.3	55	45	47
	100ST3N100	188.5							150.5																					SQ
	100ST3SN100	188.5							150.5
3	125ST3125	185.5	124	135.5	86	142	181	209.5	144.5	80	23	21	175	42	30.5	40	123.5	65	5.5	22	8	125	15	19.5	120	125.5	7.5	8	25.5	6.3	55	45	47
	125ST3N125	225.5							184.5																					SQ
	125ST3SN125	225.5							184.5
3	200ST3160	188.5	137.5	139.5	86	142	181	209.5	144.5	80	23	21	175	42	30.5	40	123.5	65	5.5	22	8	125	15	19.5	120	114	7.5	8	25.5	6.3	55	45	47
	200ST3N160	225.5							184.5																					SQ
	200ST3SN160	225.5							184.5
4	200ST3200	251.5	168	190	141	196	286	297	176	120	34	31.5	250	63.5	37.5	45	167	130	6.5	32	10	266	22	45	154	159	10	15	52	9.5	55	57	69
	200ST3N200	296.5							221																					SQ
	200ST3SN200	296.5							221
4a	250ST3250	302.5	168.5	170.5	141	196	319	324	225.5	120	34	31.5	250	74.3 66.8 66.8	50.5	58	167	130	6.5	32	10	266	22	61.5	160	157	10	15	52	9.5 SQ	55	68	70
	250ST3N250	353							276
	250ST3SN250	353							276
4b	315ST3315	335.5	202.5	204.5	141	196	319	324	258.5	120	34	31.5	250	79.8 74.3 74.3	56	69	167	130	6.5	32	10	266	22	61.5	160	157	10	15	52	9.5 SQ	55	68	70
	315ST3N315	399							322
	315ST3SN315	399							322
4b	400ST3400	335.5	202.5	204.5	141	196	319	324	258.5	120	34	31.5	250	79.8 74.3 74.3	56	69	167	130	6.5	32	10	266	22	61.5	160	157	10	15	52	9.5	55	68	70
	400ST3N400	399							322																					SQ
	400ST3SN400	399							322
'R' dimension represents the maximum width across mechanism spring guides. 'T' dimension = additional height of connecting barrier. First auxiliary pack adds 24.5mm to side of the switch when attached; each additional auxiliary pack adds a further 10.5mm.

BS Fuse Version - Standard Operation

BS Fuse Version - Side Mechanism

Switch-Disconnector - Standard Operation

BS Fuse Version - Changeover Switches

BS Fuse Version - Standard Operation Test Switches

DIN Fuse Version - Standard Operation

DIN Fuse Version - Side Mechanism

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