Moulded-case Circuit Breaker-FTM2X


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.

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


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