Note; All products on this site are special products, the market price has been fluctuating, the specific customer service offer shall prevail, because the product is a new product, the picture is not a real shot, please confirm with customer service before placing an order model and product, price and other details, the site used, new are for sale, please contact customer service communication. The Toshiba HCV-5HA-80 is a medium-voltage vacuum contactor launched by Toshiba International Corporation (TIC) and belongs to the HCV-5HA series. Designed for 2.4–6.6 kV medium-voltage AC systems, it features a rated operating current of 400 A and a thermal stable current of 450 A. Adopting vacuum interrupters and a compact, lightweight structure, it requires no external surge suppressors. Suited for harsh operating conditions with heavy dust and heavy loads, it is widely applied for frequent switching control of industrial motors, transformers and capacitor banks.
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TOSHIBA HCV-5HA-80 Vacuum Contactors.pdf
Product Advantages
No external surge suppression requiredThe main contacts are made of special alloy materials with low current chopping characteristics to suppress switching overvoltage. No additional surge protection components are needed, cutting system costs and simplifying configuration.
High-reliability vacuum arc extinctionAdopting hermetically sealed vacuum interrupters, arcs are fully contained inside the vacuum chamber. It features fast arc extinction, no external arcing, excellent endurance for frequent operations and extended contact service life.
Compact & lightweight designSmall overall dimensions with a net weight of only 19.5 kg. It saves installation space and is ideal for switchgears with limited space and on-site renovation projects.
Wide-range protection coordinationPerfect protection compatibility with various power fuses and outstanding short-circuit breaking capacity: 7000 A at 5 kV and 4500 A at 7.2 kV, effectively improving overall system safety and reliability.
Superb adaptability to harsh environmentsThe fully sealed vacuum structure delivers dustproof and moistureproof performance. It operates stably at ambient temperatures from -5℃ to 40℃ and relative humidity of 45%–85%. With vibration resistance (20Hz/1G) and shock resistance (30G), it is well-suited for heavily dusty industrial sites.
Product Features
Core Technical Parameters
Rated Voltage: 2.4–6.6 kV (Max. withstand voltage: 7.2 kV)Operating Current: 400 A (continuous); Thermal stable current: 450 ABreaking Current: 7000 A @ 5 kV; 4500 A @ 7.2 kVPeak Withstand Current: 15.8 kA; Short-circuit current (E2): 50 kA (Peak: 130 kA)Operation Frequency: Max. 1200 cycles/hour (Standard: 300 cycles/hour)Mechanical Life: 2.5 million operations; Electrical Life: 250,000 operationsInsulation Level: 18.2 kV/1min; Impulse Withstand Voltage: 60 kVControl Voltage: Standard 120 VAC (50/60 Hz); Optional: 240 VAC / 125–250 VDCAuxiliary Contacts: 3NO-3NC, Rated 10 A/600 V, AC rating: 720 VA (PF=0.35), DC rating: 60 W
Application Scenarios
Industry Sectors
- Oil & Gas: Medium-voltage motor control for drilling platforms, compressors and pump units.
- Mining & Metallurgy: Frequent start-stop control for conveyors, crushers, fans and ball mills.
- Chemical Industry: Control of process equipment such as reaction kettles, mixers and centrifuges.
- Water Treatment: Switching of large water pumps, blowers and wastewater treatment facilities.
- Power & Building Materials: Switching of medium-voltage transformers and capacitor banks, as well as reactive power compensation control.
Typical Load Ratings
Induction Motor (PF=0.8)2.2–2.5 kV: 2250 HP3–3.3 kV: 3000 HP4–5 kV: 4500 HP6–6.6 kV: 7000 HP
Synchronous Motor (PF=1.0)2.2–2.5 kV: 2000 HP3–3.3 kV: 2500 HP4–5 kV: 3500 HP6–6.6 kV: 5000 HP
Three-phase Transformer2.2–2.5 kV: 1500 kVA3–3.3 kV: 2000 kVA4–5 kV: 3000 kVA6–6.6 kV: 4000 kVA
Three-phase Capacitor2.2–6.6 kV: For switching reactive power compensation banks of 1500–2000 kVAR
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