Lugao, Zw32-40.5 Type Outdoor High Voltage Vacuum Circuit Breaker with Pole Installed

• Customization: Available
• Breaking Capacity: Medium and High Pressure
• Operation: Electric Type
• Model NO.: ZW32-40.5
• Speed: Normal Type Circuit Breaker
• Arc-extinguishing Medium: Vacuum
• Installation: Fixed
• Structure: Vcb
• Poles Number: 3
• Type: Circuit Breaker
• Function: Circuit-Breaker Failure Protection, Conventional Circuit Breaker, Circuit Breaker Faul
• Certification: ISO9001-2000, CCC
• Rated Frequency: 50/60Hz
• Rated Short-Time Interrupting Current: 25ka/31.5ka
• Housing Material: Stainless Steel
• Application: High-Rise Buildings
• Rated Current: 630A/1250A/1600A
• Transport Package: Carton
• Specification: Customized
• Trademark: Lugao Power
• Origin: China
• HS Code: 85352100
• Production Capacity: 1000PCS/Month

Product Description

Company Profile

Product Description

Product Overview

ZW32-40.5 outdoor high voltage vacuum circuit breaker adopts auniquely designed permanent magnet mechanism and a highly reliableintelligent controller.
The device is mainly used in medium-voltage overhead line powelgrids, used for dividing and closing load current, overload current, andshort-circuit current, and has 0 to 3 times ofautomatic redosing.

Functional characteristics

1. Exdremely high reliability
2.Completely maintenance-free during the entire life span

3. lt has high mechanical life and electricallife
4. The whole machine is small in size, light in weight and easy to install

5. With standard relay protection and fast automatic reclosing function

Specification

Main Technical Parameters
ltem	Unit	Data
Rated voltage	KV	40.5
Rated current	A	1250/1600
Rated frequency	HZ	50/60
Power frequency withstand woltage 1 minl wetl ldry)	KV	80/95
Lightning impulse withstand current lpeak	KV	185
Rated short-circuit breaking current	KA	31.5
Rated short-circuit cosing curent lpeak	KA	80
Rated peak withstand current	KA	80
4s short-time withstand current	KA	31.5
Rated Operating Cycle		open -0ls-doseopen-3s- case open-6sclose open-60 srecover
Rated short-circuit current breaking time	Times	30
Mechanical life	Times	20000
Pemanent magnet mechanism control voltage	V	DC220
Secondary circuitl min power frequency withstand woltage	KV	2

Main mechanical parameters of circuit breakers
ltem	Unit	Data
Contact opening distance	mm	16±1
Contact overstroke	mm	4±0.5
Opening speed	m/s	1.4-1.8
Closing speed	m/s	0.4-0.8
Contact cosing bounce time	ms	≤ 5
Center distance between phases	mm	460±2
Different Periods of Three-phase Closing	ms	≤ 2
Resistance of each phase conductive circui	μ Ω	Less than 120
Closing time	ms	25-45
Opening time	ms	20-45
Weight	Kg	295