UL Listed Intrinsic Safety Barriers

9 Results
3-Channel Zener Diode Safety Barrier -- ZSB-409A
from Migatron Corporation

DIN Rail Mounting. Space Saving 3-Channel Design. Compatible with Migatron ’s RPS-409A-IS, RPS-. 409A-IS2 and RPS-409A-IS3 Ultrasonic Sensors. ATEX, IECEx, & UL/cUL Approvals. The ZSB-409A is a 3-channel dc positive polarity zener safety barrier for use in intrinsic safety applications. [See More]

  • Barrier Type: Zener Barrier
  • AC or DC: DC
  • Mounting Options: Din Rail Mounted
  • Channels: 3
Dual Channel Zener Barrier -- 65800 Series
from Gems Sensors & Controls

The exceptionally compact design of Gems ™ 65800 Series units saves space and simplifies installation; especially in multiples on a common mounting plate. They provide great economy as well since no explosion-proof enclosures are needed for sensor wiring. Encapsulated construction is... [See More]

  • Barrier Type: Zener Barrier
  • Application: 4-20 mA 2-wire Transmitters; Switches; RTDs; Thermocouples; Strain Gages; Load Cells; Flow Meters; Level Sensors, Pressure Switches
  • Mounting Options: Earth-Grounded Rail Mount
  • AC or DC: DC
Dual Channel Zener Barrier -- SBG54806
from OMEGA Engineering, Inc.

For most non-voltage producing devices located in a hazardous area, a single zener barrier that is negative-earth-grounded can be used for intrinsic safety. Instrumentation that produces an output (signal conditioners) usually requires two barriers, one for each "floating" lead. Here, a dual-channel... [See More]

  • Barrier Type: Zener Barrier
  • Application: 4-20 mA 2-wire Transmitters; Switches; Solenoid / Audible Alarms
  • Mounting Options: Din Rail Mounted (optional feature); SurfaceMount (optional feature)
  • AC or DC: DC
Ex Repeater / Power Supply -- 5104B
from PR electronics

Application. Supply voltage and safety barrier for 2-wire transmitters mounted in a hazardous area. Safety barrier for analog current / voltage signals from a hazardous area. 1 : 1 or signal conversion of analog current / voltage signals. Technical characteristics. The 20 factory-calibrated... [See More]

  • Barrier Type: Galvanic Isolator
  • Height: 4.29
  • Mounting Options: Din Rail Mounted; DIN Rail Mounted, Vertically or Horizontally
  • Width: 0.9252
Galvanically Isolated Intrinsically Safe Barrier -- 924-60004-002
from BEI Sensors

This Galvanically Isolated Intrinsic Safety Barrier is the perfect complement to BEI encoders for hazardous environments. It is electrically compatible with all popular counters, PLCs and controllers, and it features isolation for power and three signal channels, as well as LED indicators for power... [See More]

  • Barrier Type: Galvanic Isolator
  • Application: Encoders
  • Mounting Options: Din Rail Mounted
  • AC or DC: DC
Single Channel Zener Barrier -- 54800 Series
from Gems Sensors & Controls

For most non-voltage-producing devices located in a hazardous area, a single zener barrier that is negative-earth-grounded can be used for intrinsic safety. Instrumentation that produces an output (signal conditioners) usually requires two barriers, one for each "floating" lead. In this case, select... [See More]

  • Barrier Type: Zener Barrier
  • Application: 4-20 mA 2-wire Transmitters; Switches; RTDs; Thermocouples; Strain Gages; Load Cells; Flow Meters; Level Sensors, Pressure Switches
  • Mounting Options: Earth-Grounded Rail Mount
  • AC or DC: DC
Ex Solenoid / Alarm Driver -- 5203B
from PR electronics

Application. Driver with safety barrier for the control of ON / OFF solenoids mounted in hazardous area. Driver with safety barrier for the supply of LEDs and acoustic alarms mounted in hazardous area. Voltage supply with ON / OFF control of other equipment. Technical characteristics. PR5203B has a... [See More]

  • Barrier Type: Galvanic Isolator
  • Application: Solenoid / Audible Alarms
  • Mounting Options: Din Rail Mounted; DIN Rail Mounted, Vertically or Horizontally
  • Height: 4.29
Ex-isolated Driver -- 5105B
from PR electronics

Application. Safety barrier for current signals transmitted to I/P converters and displays mounted in hazardous area. Safety barrier for analog current / voltage signals transmitted to hazardous area. 1 : 1 or signal conversion of analog current / voltage signals. Technical characteristics. The 20... [See More]

  • Barrier Type: Galvanic Isolator
  • Height: 4.29
  • Mounting Options: Din Rail Mounted; DIN Rail Mounted, Vertically or Horizontally
  • Width: 0.9252
HART® Transparent Driver -- 5107B
from PR electronics

Application. Safety barrier for current signals and 2-way HART ® communication transmitted to I/P converters mounted in hazardous area. Safety barrier for 2-way HART ® communication and analog current signals transmitted to hazardous area. Signal isolator with low response time on analog... [See More]

  • Barrier Type: Galvanic Isolator
  • Application: 4-20 mA 2-wire Transmitters
  • Mounting Options: Din Rail Mounted; DIN Rail Mounted, Vertically or Horizontally
  • Height: 4.29