BCH CV77U033A12 Vacuum Contactor (300A, 3P, 1140V)
Made in India
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Available in Saudi Arabia
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BCH heavy-duty mining design 3-pole vacuum contactor rated 300 A AC3 at 1140 V, designed to IEC 60947-4, CSA22.2 & UL508. Features a visual ON/OFF indicator, visual wear indicator, 2NO+2NC auxiliary contacts as standard, compact front-accessible construction and mounting in any plane. Vacuum interrupters give enclosed arc, transient voltage control, high cyclic duty and low maintenance.
Specifications
| Cat. No. | CV77U033A12 - * - B30 (* = coil option) |
| Standard | IEC 60947-4, CSA22.2 & UL508 |
| Poles | 3 |
| Insulation & Operating Voltage | 1140V |
| Rated Operating Current AC1 | At 40°C = 330A, At 60°C = 300A |
| Rated Operating Current AC3 | 300A |
| Rated Operating Current AC4 | 98A |
| Rated Power AC1 (resistance heating) | 73kW-230V, 197kW-400V, 246kW-500V |
| Rated Power AC3 | 428kW-1140V |
| Rated Power AC4 | 140kW-1140V |
| Rated Impulse Withstand Voltage | 8kV |
| Thermal Load Capacity, Short Time Current 10 sec. | 2400 A |
| Rated Frequency | 50-60 Hz |
| Making Current | 3,000A |
| Breaking Current | 2,400A |
| Dielectric Strength | 6KV - 1 Min. Interrupter |
| Interrupting Current | 3.0kA |
| Short Time Current 50 ms (Withstand Current) | 10kA |
| Short Time Current 1 sec. | 6.0kA |
| Short Time Current 10 sec. | 2.4kA |
| Electrical Life AC3 Duty | 1.0 million |
| Switching Frequency | 600/Hour (1 every 6 sec.) |
| Operating Range | -30% +25% at range voltage |
| Inrush Power | 1680VA <100ms duration |
| Holding Power | 3.6VA |
| Opening Time | 160ms |
| Closing Time | 20-40ms |
| Pick-up Voltage | 70% cold, 75% hot or less |
| Drop-out Voltage | 70% or less |
| Mounting | All planes (contactor only) |
| Altitude | 6600 ft. / 2000 m |
| Ambient Storage Temperature | -55°C ... +80°C |
| Ambient Operating Temperature | -25°C ... +60°C |
| Vibration / Shock | 10-50Hz - 2G/30G |
| Weight | 17 lbs / 7.7 kg |
| Auxiliary Contacts, Standard | 2NO & 2NC |
| Auxiliary Contacts, Option | 4NO & 4NC |
Ordering / Variants
Coil options (cat suffix): 220/240V AC 50/60Hz 22; 110/120V AC 50/60Hz 11. Other ratings 225A & 265A 3P 1140V on request.
Typical Applications
Heavy duty mining and tough industrial motor switching
Datasheet, certificates and quotation on request - info@west-velocity.com.
