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Category: Hydrogen Gas Detector

Quick Overview:

Hydrogen Sensor and Monitoring System

The SBS-H2 Hydrogen Detector is a hydrogen detection system with visual and audible alarms and 1% and 2% hydrogen relays.

The system comes complete with the main control, a highly accurate hydrogen gas sensor and a 25 ft. cable. This unit can be powered with AC and/or DC power and can be mounted directly to a wall or to an electrical box, making it extremely versatile and very user-friendly.

The SBS-H2 includes relays for remote connection to alarm/monitoring systems and for control of external relays for an exhaust fan.


  • Substations
  • Battery rooms
  • Uninterruptible power supply (UPS)
  • Battery cabinet systems
  • Battery charging areas
  • Hydrogen fueled back-up power systems


  • Protects life, property and company profits
  • Ideal for remote locations
  • Fail safe mode in event of loss of power
  • Up to three (3) sensors can be installed to main control to meet space coverage requirements


  • Universal power inputs: 110/220 Vac and/or 12–48 Vdc input
  • Strobe light for visual alerts
  • Sensor status indicator LEDs on the main control
  • Modular design for optimal placement of sensor(s)
  • NRTL/C Certified: UL Std. No 61010-1 & CAN/CSA-C22.2 No. 61010-1-12


  • Wall or 2-gang junction box mountable
  • Mechanical relays are easily accessible:
    • Warning 1 % relay, 15 A @ 120 Vac; 10 A @ 277 Vac; 10 A @ 28 Vdc
    • Alarm 2% relay, 0.5 A resistive @ 28 Vdc, 0.5 A @ 125 Vac
  • Redundant power supply capability; dual AC and/or DC power supply connections (DC power supply will operate as backup power source)
  • Indicator LEDs can be tested by pushing the red “TEST” button
  • Sensors can be tested in the field with the P/N H2-TESTKIT

SBS-H2 Includes

  • Main unit
  • Hydrogen sensor
  • 25 ft. cable

Tag: #SBS-H2 

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Dimensions 4.7'' L x 4.7'' W x 1.2'' D (main control)
Power Supply(s) 110/220 Vac, 50/60 Hz and/or
12–48 Vdc (9–58 Vdc operating voltage)
25% LEL (Lower Explosive Limit) Dry contacts rated 10A/250 Vac
50% LEL (Lower Explosive Limit) Dry contacts rated .5A/28 Vdc

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