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By sequentially switching the motor windings from a star (Y) configuration to a delta (Δ) configuration, this cabinet minimizes starting torque and current, protecting both the motor and the power supply. Engineered for durability and ease of use, it is an essential component for large motor applications where soft starting is critical.
Dual-Configuration Starting: The intelligent control system automatically transitions from star to delta connection within 5-30 seconds (adjustable via timer), reducing starting current by up to 50% compared to direct-on-line starting.
Comprehensive Protection: Equipped with overload relays, thermal protectors, and short-circuit breakers, ensuring motor safety under abnormal conditions. Phase monitoring detects unbalanced supply voltages to prevent damage.
Modular Design: Pre-wired and factory-tested components allow quick installation. The cabinet layout ensures easy access for maintenance, with labeled terminals and clear wiring diagrams.
Wide Voltage Range: Supports input voltages from 380V to 690V AC, 50/60Hz, and motor power ratings from 15kW to 200kW, suitable for diverse industrial motors.
Commonly used in:
Pump Systems: In water treatment plants and irrigation systems to start large centrifugal pumps without damaging pipelines.
Compressor Stations: Reducing mechanical stress on air compressors in manufacturing and oil & gas industries.
Conveyor Belts: Ensuring smooth startup of heavy-duty conveyor motors in mining and logistics facilities.
HVAC Systems: Controlling chilled water pumps and cooling tower fans in commercial buildings, optimizing energy efficiency.
Q: Can this cabinet be used with variable frequency drives?
A: While it functions independently, it can be integrated with VFDs for more precise speed control, though separate control logic may be required.
Q: What is the maximum starting frequency allowed?
A: To prevent overheating, the recommended starting frequency is no more than 6 times per hour, with at least 30 seconds between starts.
Q: Is customization available for special voltage requirements?
A: Yes, we offer tailor-made solutions for non-standard voltages (e.g., 440V, 660V) and specific motor configurations upon request.
Power(kw) | Circuit Breaker | 380V AC Contactor | Protector | Box Size(H*W*D mm) |
15kw | 63A | CJX2-2510*2PC CJX2-1801*1PC | 2-20A | 400*300*180 |
18.5KW | 63A | CJX2-3210*2PC CJX2-2510*1PC | 20-80A | 400*300*180 |
22KW | 100A | CJX2-4011*2PC CJX2-3201*1PC | 20-80A | 500*400*200 |
30KW | 100A | CJX2-5011*2PC CJX2-4011*1PC | 20-80A | 500*400*200 |
37KW | 160A | CJX2-6511*2PC CJX2-5011*1PC | 20-80A | 600*400*200 |
45KW | 160A | CJX2-9511*2PC CJX2-6511*1PC | 20-80A | 600*400*200 |
By sequentially switching the motor windings from a star (Y) configuration to a delta (Δ) configuration, this cabinet minimizes starting torque and current, protecting both the motor and the power supply. Engineered for durability and ease of use, it is an essential component for large motor applications where soft starting is critical.
Dual-Configuration Starting: The intelligent control system automatically transitions from star to delta connection within 5-30 seconds (adjustable via timer), reducing starting current by up to 50% compared to direct-on-line starting.
Comprehensive Protection: Equipped with overload relays, thermal protectors, and short-circuit breakers, ensuring motor safety under abnormal conditions. Phase monitoring detects unbalanced supply voltages to prevent damage.
Modular Design: Pre-wired and factory-tested components allow quick installation. The cabinet layout ensures easy access for maintenance, with labeled terminals and clear wiring diagrams.
Wide Voltage Range: Supports input voltages from 380V to 690V AC, 50/60Hz, and motor power ratings from 15kW to 200kW, suitable for diverse industrial motors.
Commonly used in:
Pump Systems: In water treatment plants and irrigation systems to start large centrifugal pumps without damaging pipelines.
Compressor Stations: Reducing mechanical stress on air compressors in manufacturing and oil & gas industries.
Conveyor Belts: Ensuring smooth startup of heavy-duty conveyor motors in mining and logistics facilities.
HVAC Systems: Controlling chilled water pumps and cooling tower fans in commercial buildings, optimizing energy efficiency.
Q: Can this cabinet be used with variable frequency drives?
A: While it functions independently, it can be integrated with VFDs for more precise speed control, though separate control logic may be required.
Q: What is the maximum starting frequency allowed?
A: To prevent overheating, the recommended starting frequency is no more than 6 times per hour, with at least 30 seconds between starts.
Q: Is customization available for special voltage requirements?
A: Yes, we offer tailor-made solutions for non-standard voltages (e.g., 440V, 660V) and specific motor configurations upon request.
Power(kw) | Circuit Breaker | 380V AC Contactor | Protector | Box Size(H*W*D mm) |
15kw | 63A | CJX2-2510*2PC CJX2-1801*1PC | 2-20A | 400*300*180 |
18.5KW | 63A | CJX2-3210*2PC CJX2-2510*1PC | 20-80A | 400*300*180 |
22KW | 100A | CJX2-4011*2PC CJX2-3201*1PC | 20-80A | 500*400*200 |
30KW | 100A | CJX2-5011*2PC CJX2-4011*1PC | 20-80A | 500*400*200 |
37KW | 160A | CJX2-6511*2PC CJX2-5011*1PC | 20-80A | 600*400*200 |
45KW | 160A | CJX2-9511*2PC CJX2-6511*1PC | 20-80A | 600*400*200 |
