Can this switch cut off power under load?

Yes, it can cut off the power supply of the shearer motor with load in emergency states.

1440V Special Explosion-Proof Isolation Reverse Switch for Coal Mine

Name: GM 250/300/400A 660/1440V Special Explosion-Proof Isolation Reverse Switch for Coal Mine
Brand: ZHEJIANG KANGCHUANG ELECTRIC CO.,LTD
SKU: 1998510602

Zhejiang, ChinaZHEJIANG KANGCHUANG ELECTRIC CO.,LTD

US$33.50-110.50

1 Piece

Sample price:US$110.50/piece.Request sample

Product profile

Customization

Available

Protection

Explosion-Proof

Feature

Mechanical

Model NO.

Wiring

Null Line and Live Line

Principle

Capacitive

Application

Home Appliance, Electronics, Lighting, Industrial, Apartment/Villa, Hotel, Commercial, Home

Type

Normal Open

Number of Switch

Multi Control Switch

Structure

Power Built-in Type

Usage

Control Button, Start Button, Limit Button, Reset Button, Check Button, Playback Switch, Disconnector, Change-over Switch, Control Switch

Kind

Double-pole on-off Switch

Contact Type

Type c Contact

Detection Method

Reflection Type

Brand

saipwell

Certification

ISO9001, CE, CCC

Rated Working Voltage V

660/1140V

Rated Working Current a

250/400

Maximum Breaking Current a

1500/2400

Dynamic Stable Current a

5000/8000

Thermal Stable Current a

2000/3200

Rated Frequency

50Hz

Measurement Content

Uir

Electricity Metering

Accuracy 6‰

Switch Input Method

Photoelectric Isolation

Transport Package

Wooden Case

Trademark

CNKC

Origin

China

Production Capacity

5000/Monthly

Key features

Explosion-Proof Safety: Designed for coal mine environments with certified explosion-proof protection.

High Voltage Capacity: Supports AC 50Hz with rated working voltage up to 660/1140V.

Heavy Current Handling: Rated working current of 250A or 400A with max breaking current up to 2400A.

Photoelectric Isolation: Utilizes photoelectric isolation switch input method for reliable signal transmission.

Emergency Power Cut: Capable of cutting off shearer motor power supply with load in emergency states.

Multi-Certification: Complies with ISO9001, CE, and CCC standards for global market access.

Robust Construction: Three-pole, single breakpoint molded case switch with manual operation.

Wide Application: Suitable for shearer load switching and various industrial control scenarios.

Company profile

ZHEJIANG KANGCHUANG ELECTRIC CO.,LTD

Zhejiang, China

Business Type: Manufacturer/FactoryExport Year: 2023-12-21Average Response Time: ≤6.19hTerms of Payment: LC, T/T, PayPalInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, CIP

About Our Factory & Business Background

AddressNo. 5 Yongxing Road, Shangwuzhai Village, Liushi Town, Yueqing City, Wenzhou, Zhejiang, China

Our Production Capability & Technical Expertise

Main ProductsSubstation, High Voltage Circuit Breaker, Rmu Switchgear, Drop out Fuse, Current Transformer, Voltage Transformer, Explosion-Proof Lamp, Distribution Transformer, High Voltage Fuses, High Voltage Surge Arrester