Switched DC Constant Current Source

The switching DC constant current source utilizes IGBT high-frequency switching conversion control technology, offering high output DC quality, fast response speed, excellent dynamic performance, and strong load handling capability. The output current of this switching DC constant current source can be continuously adjusted from 0 to the rated value, making it an ideal tool for testing and evaluation of relays, circuit breakers, heating devices, and other related products.

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Category: DC Power Supply Series

Technical Parameters

model		DCHK-100A	DCHK-200A	DCHK-300A	DCHK-500A	DCHK-1KA	DCHK-2KA	DCHK-3KA	DCHK-5KA
maximum output current		100A	200A	300A	500A	1KA	2KA	3KA	5KA
transport enter	number of phases	Three-phase three-wire or three-phase four-wire system
	voltage	380V±10%
	frequency	50Hz±5%
transport go out	open circuit voltage	10VDC or specified value
	Current	15A – Continuous adjustment from 15A to rated value
	Current accuracy	1%
	voltmeter	3½-digit digital display (10.00V)
	ammeter	3½-digit or 4½-digit digital display
load characteristic		Suitable for various loads
protect		Capable of handling overvoltage, overtemperature, and short-circuit conditions
cooling		Fan forced cooling
work environment		Temperature: -20°C to +40°C; Humidity: 0–90% (non-condensing condition); Continuous operation; Dust-proof.
noise		≤55dB
withstand voltage		Input: For the AC1500V/1-minute test, no arc flash or breakdown phenomenon was observed (current threshold: 10 mA).
Insulating reactance		Output to the enclosure: ≥10 MW (using a 500 V megohmmeter)