Contactplasma

CNP Transfer Switch

Current Ratings from 2500A-7000A. Available in 3P or 4P application. Rated insulation voltage 1000V AC, operational ratings at 500V 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, 1.1 MB)

Key specifications

Typemanual change-over switch CNP, positions II-0-I (DNP deviator II-I); horizontal CNP\H 2500–7000 A, vertical CNP\V 250–2000 A
Poles3 or 4 (horizontal); 3, 4, 6, 8 (vertical)
Rated thermal current in enclosure2200 A (2500 A), 2500 A (3150 A), 3400 A (4000 A), 4200 A (5000 A), 5500 A (6300 A), 6000 A (7000 A)
Rated insulation voltage (Ui)1000 V AC / 600 V DC; impulse withstand 8 kV
Operational current AC-21 (500 V)equal to rating, 2500–7000 A
Operational current AC-22 (500 V)2000 A (2500 A), 2100 A (3150 A), 2200 A (4000 A), 2500 A (5000 A), 2600 A (6300–7000 A)
Short-time withstand (Icw, 1 s)80 kA (2500 A), 85 kA (3150–4000 A), 100 kA (5000 A), 120 kA (6300–7000 A)
Short-circuit making capacity (Icm, 500 V)176–200 kA peak
Mechanical endurance3000 ops (2500 A), 2000 ops (3150–7000 A); electrical life 500 ops
Weight (horizontal)93.5–169 kg (3 pole), 111.5–224 kg (4 pole)
StandardsEN 60947-3

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