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Contactplasma CKS Transfer Switch

Contactplasma

CKS Transfer Switch

Current Ratings from 125A-1600A. Available in 3P or 4P application. Rated insulation voltage 1000V AC, operational ratings up to 690V AC. For 1P2W, 3P3W, 3P4W systems. With quick make and break operation

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Transfer Switches

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Download datasheet (PDF, 27.4 MB)

Key specifications

Rated thermal current (Ith)125–1600 A
Poles3, 4, 6 or 8
Rated insulation voltage (Ui)1000 V AC / 600 V DC
Impulse withstand voltage8 kV (125–630 A), 12 kV (800–1600 A)
Operational current AC-21/AC-22 (690 V)125–1600 A
Operational current AC-23125–1600 A at 500 V; 63–500 A at 690 V
Short-time withstand (Icw, 1 s)8–35 kA
Short-circuit making capacity (Icm, 500 V)14–73.5 kA peak
Mechanical endurance8000 ops (125–250 A), 5000 (400–630 A), 3000 (800–1600 A)
Electrical life1000 ops (125–630 A), 500 (800–1600 A)
PositionsII-0-I (CKS); DKS deviator II-I
StandardsEN 60947-3; IEC 60068-2 (tropicalised)

From the manufacturer's datasheet. Ratings vary by model, so our engineers confirm the exact specification with your quotation.

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