Moulded-case Circuit Breaker-FTM2X

Overview:

It can be used in distribution network for AC 50Hz, rated working voltage not more than AC690V, rated current to 63A or less.

All series circuit breakers can also be used as motor protector. The rated insulation voltage of the circuit breaker is 1000V, which is used for distributing electric energy and protecting undervoltage and short circuit of power line and power supply equipment.

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Technical data

Product illustration

Tripping characteristic

Exterior and dimensions

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Model & Spec			FTM2X-63
Frame size current (A)			63
Rated current ln(A)			10, 16, 20, 25, 32, 40, 50, 63
Electrical property
Operating frequency (Hz)			50
Rated operating voltage Ue(V)			AC380/400 AC480/500 AC530/550 AC660/690
Rated insulation voltage Ui (V)			AC1000
Rated impulse withstand voltage Uimp(kV)			8
Tripping mode			Thermomagnetic tripping
Protection cat.			Distribution protection, motor protection
Flashover distance (mm)			≯50 (0)
Use cat.			A
Pole number			3P/4P
Wiring method			Fixed type front-board, fixed type rear-board, plug-in type front-board, plug-in type rear-board
Isolation function			Yes
Service life	Electrical	AC400V	8000
		AC690V	1000
	Mechanical		20000
Breaking capacity
Rated ultimate short-circuit breaking capacity lcu(kA)		AC380V/400V	35
Rated service short-circuit breaking capacity lcs(kA)			25
Rated ultimate short-circuit breaking capacity lcu(kA)		AC480V/500V	20
Rated service short-circuit breaking capacity lcs(kA)			15
Rated ultimate short-circuit breaking capacity lcu(kA)		AC530V/550V	20
Rated service short-circuit breaking capacity lcs(kA)			15
Rated ultimate short-circuit breaking capacity lcu(kA)		AC660V/690V	10
Rated service short-circuit breaking capacity lcs(kA)			7.5
Outline dim. (mm)	Height		130
	Width	3P	75
		4P	100
	Depth		90