PSDM1Z DCMoulded Case Circuit Breaker

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Product Detail

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GENERAL

PSDM1Z series DC moulded case circuit breaker (hereafter referred to as breakers) are one of the new type breakers which have been developed by the company using international advanced design and manufacturing technology. The rated insulation voltage of the breakers is 1000V, suitable for the DC grid with rated working voltage up to 1000V, and rated working current up to 800A DC power grid. The breakers have overload, short-circuit and under voltage protection devices, so as to protect the circuit and the power equipment against damage.

Products comply with:

IEC 60947-1 and GB/T 14048.1 General requirements

IEC 60947-2 and GB 14048.2 Low-voltage circuit breaker

Access to CCC, CB certifications

Type and Classifications

Note: No code for operating directly with handle, “P” for power-driven and “Z” for turning handle manually

◆ Classification according to pole numbers: two poles, three poles and four poles.

◆ Classification according to rated current (In): PSDM1Z-125 has ten grades: 16, 20, 25, 32, 40, 50, 63, 80, 100, 125A. PSDM1Z-250 has eight grades: 100, 125, 140, 160, 180, 200, 225, 250A. PSDM1Z-400 has five grades: 225, 250, 315, 350, 400A. PSDM1Z-630 has three grades: 400, 500, 630A. PSDM1Z-800 has three grades: 630, 700, 800A.

◆ The wiring method has three wiring methods: wiring in front of the board, wiring on back of the board, insertion type.

◆ According to the over-current release pattern, it would be divided two types: thermo-electromagnetic (double) types and electro magnetic (instantaneous) types.

Application Environment Conditions

◆ Elevation: ≤2000m.

◆ Ambient temperature: -5℃~+40

◆ Breakers can tolerate the influence of moisture in the air.

◆ Breakers can tolerate the influence of salt fog and oil fog.

◆ Breakers can tolerate the influence of mycete.

◆ The gradient ≤±22.5 °.

◆ Be working reliably under the condition of normal vibration on ship.

◆ Be working reliably when earthquake (4g) occurring.

◆ There must be not any explosive medium, and there must be not any gas which would corrode metal or any con-ducting dust which would destroy the insulation.

◆ The place would not be invaded by rain and snow.

Main Technical Performance Parameters of the Breaker

◆ Main technical performance parameters of the PSDM1Z DC moulded case circuit breaker

Note: When ordering, the working voltage of the breaker must be written clearly.

Release Type and Accessories Code

Table 2 for release type and accessories code

Note:

♦ 200: breaker only has electromagnetic release type; 300: breaker has thermo-electromagnetic release .

♦ For PSDM1Z-125, 250 four-pole types circuit breakers, has no following accessories code: 218, 318, 248, 348.

♦ For PSDM1Z -400, PSDM1Z -630 and PSDM1Z -800, codes 248, 348 only have one pair of auxiliary contacts (a normal opened, a normal closed), but 268, 368 have three pairs of auxiliary contacts(three normally-opened, three normally-closed)

Protection Feature

The thermodynamic release of a circuit breaker provides the feature of inverse time-delay, while the magnetic release features of instantaneous operation as shown on table 3(distribution circuit breaker) and table 4(motor protection circuit breaker)