Page 16 - Panel_mount_Switches

14

FUSE SWITCHES

Technical data according to IEC 60947
Switch size A 32 63
CSSDF
Rated insulation voltage Pollution degr. 3 50 Hz 1min. V 750 750
Dielectric strength kV 10 10
Rated impulse withstand voltage kV 12 12
Rated thermal current in ambient 40°C /max. In open air A / W
fuse power dissipation 1) In enclosure A / W 32 63
In enclosure with solid links A
...with minimum cable cross section Cu mm 2
Rated operational voltage AC-20 and DC-20 V 690 690
Rated operational current, AC-21A up to 500 V A 32 63
690 V A - -
Rated operational current, AC-22A up to 500 V A 32 63
690 V A - -
Rated operational current, AC-23A up to 500 V A 32 63
690 V A - -
Rated operational current / poles in series DC-21A 48V A 32/2 63/2
110-220V A 32/2 63/2
440V A 32/4 63/4
Rated operational current / poles in seriesDC-22A 48V A 32/2 63/2
110-220V A 32/2 63/2
440V A 32/4 63/4
Rated operational current / poles in series DC-23A 48V A 32/2 63/2
110-220V A 32/2 63/2
440V A 32/4 63/4
Rated operational power, AC-23 2) The kW -rating are accurate for 230V kW 7.5 18.5
three fase 1500 R.P.M standard 400V kW 15 30
asynchronous motors. 415V kW 15 30
500V kW - -
690V kW - -
Rated breaking capacity in category AC-23 up to 500 V A 256 504
690 V A - -
Rated breaking capacity / poles in series in category DC-23 up to 220V A 128/2 252/2
Rated conditional (fused) short-circuit current RMS kA 80 80
Back-up fuse rating A 32 63
Corresponding max. cut-off permitted kAp 6 10
Rated capacitor power The capacitor rating of switch fuse is 415 kVAr 16 32
limited by the fuse link 690 kVAr - -
Power loss / pole with rated current without fuse W 1 4
Mechanical endurance Cycles 20,000 20,000
Electrical endurance At 0.65pf Cycles 1,500 1,500
Fuse types, IEC 60269-2-1 DIN OO OO
BS88 A2,A3 A2,A3
Fixing centres for BS88 73mm 73mm
Weight without accessories 3-Pole kg 1.6 1.6
4-Pole kg 1.9 1.9
Terminal suitable for cable lug of size mm 2 16 25
Terminal tightening torque counte torque required Nm 3.5 5.5
Operating torque typical for 3-pole switch fuse Nm 3 4
1) Ambient temperature 60 °C: derating 20%. Mounting on "ceiling": derating 10%. Mounting on wall, horizontal fuses: derating 8%
2) Some fuse links limit these figures further. Starting current characteristics must be considered separately.

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