Scope of application
The DZX10D series plastic shell circuit breaker (hereinafter referred to as the circuit breaker) is suitable for AC 50Hz (or 60Hz), rated insulation voltage 690V, rated working voltage 690V and below, and rated current up to 630A. It is used in low-voltage networks or substations where high breaking capacity is required for branch circuits, as well as for infrequent conversion of distributed electrical energy, lines, and power equipment.
Model and its meaning

1) The handle can be operated directly without a code; Electric operation is represented by D.
Release mechanism and accessory code

structural characteristics
This series of circuit breakers consists of a contact system, an operating mechanism, a trip mechanism, an arc extinguishing device, and insulation components. The static contacts of the circuit breakers adopt a repulsive structure, which improves the breaking capacity. When the overload current or short-circuit current reaches or exceeds its specified value, the circuit breaker automatically trips, thereby cutting off the power supply and protecting the equipment on the load side.
Main technical parameters
1. Main technical parameters of circuit breakers

2. Main technical parameters of the control circuit

3. Main technical parameters of auxiliary contacts and alarm contacts

Appearance and installation dimensions
The appearance and installation dimensions of the circuit breaker are shown in the diagram and table

Circuit breaker appearance and installation dimensions, wiring dimensions after board installation
Unit in millimeters

Ordering Instructions
When placing an order, the user must specify the following:
1) Model and name of the circuit breaker;
2) Rated current of circuit breaker;
3) The accessory name, specification, and combination code of the circuit breaker; When using undervoltage release and shunt release, the voltage value of the working voltage (or control power supply voltage) should be indicated;
4) Wiring methods: front board wiring, back board wiring (front board wiring can be omitted)
5) Quantity.
For example: DZX10D-630, three poles, rated current of 500A, rated voltage of AC 220V for shunt release, current setting multiple of 10In for release, pre board wiring, 10 units.
It should be written as: DZX10D-630/331, 500A, AC220V, 10In, 10 units.