Contactplasma

Medium Voltage Switch Disconnector

Available 12kV up to 17.5kV. Rating up to 630A with quick make and break operation.

Used in
End-Users / Consumers
Applications
Transfer Switches

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Download datasheet (PDF, 4.1 MB)

Key specifications

ProductTH switch-disconnector in AIR 12 / AIR 17 metal-enclosed switchboards
Rated voltage7.2 / 12 / 17.5 kV
Power-frequency withstand (1 min)20 / 28-42 / 38 kV
Lightning impulse60 / 75 / 95 kV
Rated current400 A or 630 A
Short-time current16-25 kA x 1 s; 20 kA x 3 s (630 A)
Rated making current (switch and earthing switch)40-62.5
THV switch-fuse200 A; breaking 16 A cable-charging, 6-16 A no-load transformer
Positionsclosed / open / earthed (earthing with making capacity)
PanelsIL line, TP transformer protection (switch-fuse), AP off-load isolator
Protection degreeIP30 housing, IP20 internal
StandardsIEC 60298, CEI EN 60298

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