Withdrawable Circuit Breaker (ISMD)

The ISMD is the withdrawable version of our ISM. It is ready to use in a wide range of draw-out type switchgear and covers the ratings and pole center distances of our ISM.

ISM/TEL-12-20/800-XXXD

ISM/TEL-12-20/800-XXXD

	Rated voltage, kV:	12
	Rated current, A:	<800
	Rated short-circuit breaking current, kA:	<20
	Rated short-time withstand current 4s, kA:	<20
	Rated frequency, Hz:	50/60
	Mechanical endurance, CO cycles:	50 000
	Pole center distance, mm:	150, 210
	Temperature range, °C:	-20...+40
	Weight, kg:	105

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ISM/TEL-12-31.5/1250-XXXD

ISM/TEL-12-31.5/1250-XXXD

	Rated voltage, kV:	12
	Rated current, A:	<1250
	Rated short-circuit breaking current, kA:	<31.5
	Rated short-time withstand current 4s, kA:	<31.5
	Rated frequency, Hz:	50/60
	Mechanical endurance, CO cycles:	30 000
	Pole center distance, mm:	150, 210
	Temperature range, °C:	-20...+40
	Weight, kg:	115

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ISM/TEL-12-31.5/2000-XXXD

ISM/TEL-12-31.5/2000-XXXD

	Rated voltage, kV:	12
	Rated current, A:	<2000
	Rated short-circuit breaking current, kA:	<31.5
	Rated short-time withstand current 4s, kA:	<31.5
	Rated frequency, Hz:	50/60
	Mechanical endurance, CO cycles:	30 000
	Pole center distance, mm:	210, 275
	Temperature range, °C:	-20...+40
	Weight, kg:	150

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