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SX-JHH2 Mining Dual Circuit Protector

产品名称：

SX-JHH2 Mining Dual Circuit Protector

Product Introduction:

SX-JHH2 Mining Dual Circuit Protector


Shanghai Shenxun SX-JHH2 mining dual circuit protector is suitable for underground and surface environments in coal mines. It supports two telephone line connections and can achieve dual circuit redundancy backup without changing the original telephone and scheduling system. In addition, it can also be used in conjunction with the SX600 series integrated gateway to achieve real-time monitoring of the main line status, while detecting and reporting line disconnections, short lines, or abnormalities.

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  • Features
  • Specifications
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  • Video Introduction

●  Flame retardant material: The shell adopts high-quality flame retardant shell, which is flame retardant, anti-static, and has good sealing performance;


●  Durable and sturdy: small in size, light in weight, dustproof and anti-corrosion, easy to install;


●  Deep threading: Deep processing of threads provides greater stability, with preferred materials and a longer service life;


●  Passive operation, no need for external power supply;


●  Adapt to all dispatch machines and single line explosion-proof telephones on the market, without selecting equipment or brands

Electrical performance

Contact capacity: DC 60V/5A (note: used in intrinsically safe circuits that have passed explosion-proof inspection)

Explosion proof type: mining intrinsic safety type

Explosion proof mark: Ex ia I Ma

Protection level: IP66

Usage environment

Environmental temperature: -20 ℃ to+40 ℃

Relative humidity: ≤ 96% (+25 ℃)

Relative pressure: 80kPa~110kPa

There is a hazardous environment of methane and coal dust explosion underground in coal mines.

Dimensions: 165mm × 116mm × 48.5mm

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