XRQ Soft Starter Cabinet
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Product features:
● The starting performance is significantly superior to that of frequency-sensitive starters, oil-immersed resistors, and cast-iron resistors; 
● Soft start, with a low inrush current—approximately 1.3 times the motor’s rated current;
● Can be started continuously 5-10 times;
● The startup process is smooth, placing no mechanical stress on the equipment, thereby extending the service life of both mechanical and electrical components.
● It can be started at low voltage—when the grid voltage drops below 10% of the motor’s rated voltage, it can still start smoothly.
● Wide applicability—suitable for soft starting wound-rotor motors under any load condition, particularly well-suited for heavy-load starts.
● Equipped with multiple protection functions, including startup timeout, undervoltage, overtravel, and overtemperature protection;
● Equipped with automatic heating function for cold regions;
Main technical specifications:
◆ Adjustable base voltage from 25% to 75%;
◆ The current-limiting range is adjustable from 1.0 to 4.5 times the rated current;
◆ Startup time adjustable from 0.5 to 240 seconds;
◆ Output signal: Switching contact, 30VDC or 220VAC 5A;
◆ Applicable motors: Three-phase induction motors from 5.5 kW to 500 kW;
◆ Startup methods: voltage ramp-up startup, current-limiting startup, and inrush current startup;
◆ Stopping mode: Immediate free parking; slope stopping time adjustable from 1 to 480 seconds. Input signal: Switch contact.
Product Overview:
The universal soft-start control cabinet uses domestically branded soft starters or imported-brand soft starters as its primary control components and is equipped with a main circuit incoming circuit breaker and bypass contactors. It features short-circuit protection, overload protection, overcurrent protection, input phase-loss protection, and output phase-loss protection. This device can provide multi-level protection for either a single motor or multiple motors. Available models include the universal type, 1-to-2, 1-to-3, 1-to-4 configurations, as well as single-unit standby and dual-unit standby soft-start cabinets for domestic water pumps. The soft starter can be configured with soft starters from Chinese brands or imported brands such as Schneider, ABB, and Siemens.
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