Zw32-12 Type Pole-Mounted Circuit Breakers Integral Sealed Poles Recloser

Product Description

Designed on the basis of ZW32 vacuum circuit breaker, the integrated solid-sealed pole combines a variety of advanced power equipment construction technology, micro-power electronic sensing technology, wireless communication technology, on-line power collection technology, etc.; up to 11 integrated voltage and current sensors (power-side three-phase voltage, load-side three-phase voltage, three-phase current, zero-sequence voltage and zero-sequence current). Single-phase power 10W, less than 10pC local discharge, side and bottom operation windows, more convenient operation.
The main configuration of ZW32 circuit breaker includes line online monitoring software, mobile phone APP, energy extraction unit, FTU automation terminal, and deeply fused circuit breaker. The product is widely used in 10kV urban and rural distribution overhead ring network line for dividing, sectioning and contacting switches, and it can realise the automated switching device for load deployment of the ring network line.


Main technical parameters of circuit breaker

S/N	Item		Unit	Data
1	Rated voltage		kV	12
2	Rated current		A	630
3	1min power frequency withstand voltage	Dry test: phase to phase, ground/fracture	kV	42/48
		Wet test: phase to phase, ground/fracture	kV	34
4	Lightning impulse withstand voltage (peak value) phase to phase, ground/fracture		kV	75/85
5	Rated short circuit breaking current		kV	20/25
6	Rated short circuit making current (peak value)		kA	50/63
7	Rated peak withstand current		kA	50/63
8	4s short-term withstand current		kA	20/25
9	Rated operating sequence		-	O-0.3s-CO-180s-CO
10	Rated short circuit current breaking times		times	30
11	Mechanical life		times	10000
12	Energy storage motor rated voltage		V	DC24
13	Energy storage motor rated power		W	70
14	Rated operating voltage		V	DC24
15	Energy storage time at rated voltage		S	<10
16	Partial discharge of the whole machine		Pc	<10

Normal use conditions
1. Altitude not exceeding 1000m;2. Ambient temperature not exceeding ±40°C;3. Seismic intensity not exceeding 8 degrees;4. Maximum wind speed should not exceed 35m/s. 5. There should be no explosion, no corrosive harmful gas that destroys insulation, and no violent vibration;6. the thickness of ice cover does not exceed 10mm.For special conditions of use, please make specific instructions at the time of ordering, so that the insulation level and other capabilities of the circuit breaker can be corrected. Specific parameters are subject to actual delivery.

Application
Instructions for ordering1) Model, name and quantity of circuit breaker;2) Rated voltage, rated current and rated short-circuit breaking current of the circuit breaker;3) Operation mode of operating mechanism (manual, electric, with remote control), type and rated value of operating power supply;4) Current transformer accuracy level, ratio, quantity;5) Name and quantity of spare parts;6) Other special requirements.

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