Switchfuse Characteristics

With new look handles, our Socomec industrial switchgear range is fully rated at AC23 and protected to IP54/ 55. Rotary Isolators are also available in 3 and 4 poles. For any questions or queries, please contact our direct sales line on 0845 226 7125.

Product Code	425520	425532	425563	425100	425160	425200	425250	425400	425630

Thermal current lth
(40 ˚C)

20A

32A

63A

100A

160A

200A

250A

400A

630A

BS88/DIN fuse size	A1/-	A1/ 14x51	A2-A3/ OOC	A4/ 22x58	A3-A4/-	A3-A4/-	B1-B2- B3/1	B1-B2- B3-B4/2	C1- C2/3
Fuse Type (Bussman)	NITD	NITD	BAO	CEO	DEO	DEO	ED	ED	FF
Rated insulation voltage Ui (V)	800	800	750	750	750	800	750	800	1000
Rated impulse withstand Uimp (kV)	8	8	8	8	8	8	8	8	12

Rated operation currents le(A)
Rated voltage	Load duty cat.	A/B	A/B	A/B	A/B	A/B	A/B	A/B	A/B	A/B*

400 VAC	AC-22	20/20	32/32	63/63	100/100	160/160	200/200	255/255	400/400	630/630
400 VAC	AC-23	20/20	32/32	63/63	100/100	160/160	200/200	255/255	400/400	630/630
690 VAC	AC-22	20/20	32/32	63/63	#100/100	#160/160	#160/160	#255/255	315/400	550/630
690 VAC	AC-23	20/20	32/32	63/63	#100/100	#125/125	#125/125	#255/255	255/315	315/400
220 VAC	AC-22			63/63	100/100	160/160	160/160	255/255	315/315	315/630
220 VAC	AC-23			40/40	100/100	125/125	125/125	200/200	200/315	400/630
400 VAC	AC-22			*63/63	*100/100	*160/160	*160/160	*255/255	*315/315	+315/630
400 VAC	AC-23			*40/40	*100/100	*160/160	*125/125	*200/200	*255/315	+400/630

#2 poles in series by polarity *Shrouded +Poles cannot be juxtaposed

Operational power without pre-break

at 400 VAC - AC in AC-3 (kW)	9/9	15/15	30/30	51/51	80/80	80/80	132/132	220/220	355/355
at 690 VAC - AC in AC-3 A (kW)	15/15	25/25	55/55	90/90	110/110	110/110	220/220	220/295	295/400

Fuse protected short-circuit withstand (kA rms prospective)

Short circuit current (kA rms)	80/-	80/100	80/100	80/100	55/-	55/-	80/100	80/55	80/100
Associated fuse rating (A)	20/-	32/32	63/63	100/100	160/-	200/-	255/255	400/400	630/630

Overload capacity

Short-circuit
making capacity (kA peak)

5.5

10.6

32.5

Connection & Mechanical Characteristics

Minimum Cu cable section (mm2)	2.5	2.5	10	25	35	50	95	185	2 x 150
Maximum Cu cable section (mm2)	16	16	25	95	95	95	240	240	2 x 300
Minimum tightening torque (Nm)	2	2	6	9	9	9	20	20	4
Stud Size	-	-	-	M8	M8	M8	M10	M10	M12
Extension Box	-	-	-	EX03	EX03	EX03	EX04	EX04	EX05

*A = Frequent Operation B = Infrequent operation

Switchfuse Characteristics

More than just a simple sales service