Range

SIZE Un (V AC) In (A) REFERENCE
SQB1 690V 80 250325
100 250330
125 250335
160 250340
200 250345
250 250350
315 250355
350 250360
400 250365
450 250370
500 250375
550 250380
630 250385
700 250390
800 250395

Technical data

Rated voltage 690V AC
Rated current 80A...800A
Rated breaking capacity 120kA
Operating class aR
Minimum breaking current 3,5·In
Rated frequency 42...62Hz
Storage temperature -40°C ... 90°C
Operating temperature * -40°C ... 80°C
* For ambient temperatures higher than 25ºC it is necessary to apply a derating in maximum current.

Standards

IEC/EN 60269-1
IEC/EN 60269-4
UL248-1
UL248-13
RoHS Compliant

Dimensions

A B C D E F L
THREAD DEPTH
58 52 19,6 M8 9 49 87 51

Weight  410gr

t-I characteristics

Cut-off characteristics

Power dissipation

RATED CURRENT
(A)
REFERENCE POWER DISSIPATION In
(W)
PREARCING I2t
(A2s)
I2t 690V
(A2s)
80 250325 15 350 2570
100 250330 20 550 4000
125 250335 30 795 5750
160 250340 33 1400 10250
200 250345 39 2675 19450
250 250350 43 4700 31000
315 250355 51 8350 55200
350 250360 54 12000 79500
400 250365 56 18800 124000
450 250370 60 25600 169200
500 250375 65 28200 209000
550 250380 71 35700 264900
630 250385 76 53400 395800
700 250390 81 76900 570000
800 250390 90 98500 812000

Compatible

microswitch system for
SQUARE BODY aR fuse links
NEW
REF 357015
U 250V
In 4A
Kit includes the striker support, two fixing screws and the microswitch ref. 357020

Other versions

U 690V AC 690V AC
IN 80A...800A 80A...800A
Breaking capacity 120kA 120kA

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