Description

Toshiba HCV-5HA-80 Medium Voltage Vacuum Contactor
HCV-5HA-80 is a medium-voltage vacuum contactor from Toshiba, belonging to the HCV-5HA series. The “-80” usually indicates a 80kA short-circuit tolerance or an 80℃ temperature rise rating, and is used in 4.16kV/6.9kV/7.2kV industrial medium-voltage systems.

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Core parameters
Brand: Toshiba
Model: HCV-5HA-80 (standard model HCV-5HA)
Rated voltage: 2.4kV / 4.2kV / 6.9kV (maximum 7.2kV)
Rated current: 400A (long-term)
Short-circuit interruption: 4.5kA @ 7.2kV; 7kA peak
Short-term tolerance: 5kA/1s; peak 12.5kA
Control coil: 100–240VAC / 125–250VDC
Auxiliary contacts: 3NO + 3NC
Structural form: Draw-out type
Weight: Approximately 15.9kg (49lbs)
Working cycle: Non-retentive, frequent operation (1200 times/hour) Key features
Vacuum arc extinguishing: Vacuum bulb arc extinguishing, with long lifespan, less maintenance, and no arc leakage.
Special for medium voltage: Suitable for 6kV/7.2kV motor, transformer, and capacitor switching.
Highly reliable operation: Electronic drive, suitable for frequent start-stop (such as fans, pumps).
Safe isolation: Pull-out design, maintenance can be completely isolated, in line with safety standards.

Typical applications
Power plants / Steel mills: 6kV high-voltage motor starting and protection
Petroleum / Oil and gas: Medium-voltage power distribution, transformer feeders, reactive power compensation
Industrial transmission: Front end of high-voltage frequency converter, soft starter