HZW32-12 outdoor high-voltage dual power vacuum circuit breaker models and parameters

Before installing using the product, please read the instructions and Reserved 1 Overview HZW32-12 Outdoor dual power automatic switching device (hereinafter referred to as "dual power device") three-phase AC 50Hz outdoor high voltage switchgear, by two column vacuum circuit breakers and an intelligent dual power switching controller MGK13 composition; the device is mainly used in coal, petroleum, steel, high reliability of power supply options, and rural network and the urban network of 10kV distribution system, as a sub, load current, overload current , short-circuit current, and to achieve dual power automatic switch, ensure real power critical loads, with a small footprint, low investment, easy maintenance, debugging, is to achieve the ideal switching power supply automated equipment. 2 conditions ◆ The ambient air temperature: -25 ℃ ~ + 40 ℃; ◆ Altitude: not exceed 2000m; ◆ ambient air can be contaminated dust, smoke, corrosive gases, vapors or salt spray; ◆ wind speed does not exceed 34m / s; ◆ external vibration or ground motion from the switching and control equipment is negligible; ◆ Pollution Level: Ⅳ level. 3. Main Functions 3.1 Features (1) dual power for each control, priority standby automatic control, with fault latch, PT breaking blocking, blocking both sides of the switch position, the side of the loss of pressure opening, automatic closing side function. (2) according to user requirements, it can be equipped with overcurrent, limit fast break protection, to protect the value can be continuously adjustable. (3) remote control, can be equipped with a wireless remote control, remote control switch at close range, sub-control and judgment with automatic logic blocking function, safe and reliable. (4) local operation, automatic operation mode, you can turn each switch may have a master according to user requirements, prepare investment priority function. (5) according to user requirements, improve the allocation of 'four remote' feature, enabling remote control, telemetry, remote, remote adjustment function. The main technical parameters of the circuit breaker main technical parameters 4.1 Table 1. Table 1 circuit breaker main technical parameters indicators No. Name Unit Data 1 Rated voltage kV 12 2 Rated current A 630 3 Rated frequency Hz 50 4 Rated insulation level Power frequency withstand voltage ( 1min) kV 42 lightning strikes withstand voltage (peak) 755 Rated short circuit breaking current kA 12.5 16 20 6 rated short-circuit current (peak) 31.5 40 507 31.5 Rated peak withstand current 40 508 Rated short time withstand current 12.5 16 209 Rated short circuit duration s 4 10 Rated short-circuit breaking current breaking times 3011 Rated operating sequence stars -0.3s- combined points -180s- combined points 12 Mechanical life Times 10000 13 Rated operating voltage and auxiliary circuit rated voltage V AC220V, DC220V, DC24V wooden packaging products