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Introduced |
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Description |
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TDM3(ABB-S, HSM1, HM3)Series moulded case circuit breaker, It's applicable circuit of AC 50Hz(or 60Hz), rated insulation voltage 660V, rated operating voltage under AC 660V, 250V(DC), rated operating current 10A-800A, for distribute energy of electricity and infrequent making and breaking circuit. In normal conditions, the MCCB rated current under 400A they are provided with the function of the protection against overload and short circuit and undervoltage. The MCCB complies with standard of IEC947-2, GB14048. 2, GB14048. 4 and so on.
Type and meanings
Note: No code for distribution breakers; "2" represents motor protection circuitbreakers.
No code for direct handle operation; "P" represents electrical operation, and "Z" represents- rotary- operated- handles.
Rated breaking capacity grade of MCCB: E-Economical type S-Stan-dard type M-High breaking capacity type H- Highest breaking capacity type.
Classification of MCCB
Installation type of MCCB: MCCB are suiable for vertical or harizontal installation.
According to use of MCCB: Distribution circuit protection type, motor protection type
According to connection way: Front panel connection, back panel connection plug-in connection;
According to operation way: For direct handle operation for external rotary handle operating, formotor operating;
According to overload release type: Magnetic release (only instantaneous) the modynamic magnetictype (dual), electronical release;
According to number of poles: Two poles, there poles, four poles.
The neutral poles (N poles) of four poles MCCB has for types:
Type A: No overload release on N pole, which is making at the time; Not closing and opening withthe other three poles.
Type B: No overload release on N pole, which closing and opening with the other three poles
Type C: With overload release on N pole, which closing and opening with the other three poles.
Type D: With overload release on N pole, which making all time; Not closing and opening with theother three poles.
Type E: With a neutral pole interruption protector on N pole that closing or opening with other threepoles. |
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Contact Us |
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Company Name: |
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Tonda Electric Co., Ltd. |
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Company Address: |
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Wenzhou, Zhejiang, China |
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Telephone: |
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86-577-62788277 |
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Full Name (Department): |
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Mrs. Jiman Xu () |
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