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MZB Series Shunt Diode Safety Barrier

Brand: Turck, Inc

The Turck MZB series of barriers are based on a simple principle. Each channel is fitted with two stages of pulse tested Zener Diodes and an infallible terminating resistor. 

In the event of an electrical fault in the non-hazardous (controls side) of the barrier, such as an overvoltage, the Zener diodes limit the voltage available to the hazardous area circuits and a series resistance limits the current.

There is also a fuse designed into the circuit that will rupture in the event of a continuous application of excess energy being applied to the barrier that is outside the design criteria for the loop.

1 - 12 of 14 Part Numbers
MZ28P1
MZ28P1
TURCK Shunt Diode Safety Barrier, Positive Supply, 1-Channel, NCNR
MZ64A2
MZ64A2
TURCK Shunt Diode Safety Barrier, NCNR
MZ65A2
MZ65A2
TURCK Shunt Diode Safety Barrier, Star Connector, 2-Channel, NCNR
MZB15P
MZB15P
TURCK Shunt Diode Safety Barrier, MZB Series, Positive Supply, 2-Channel, NCNR
MZB28P
MZB28P
TURCK Shunt Diode Safety Barrier, MZB Series, Positive Supply, 2-Channel, NCNR
MZB56A
MZB56A
TURCK Shunt Diode Safety Barrier, MZB Series, Positive Supply, 3-Channel
  • 3 Channel
  • For use with 3-Wire RTD's
  • allows direct input to control card with a grounded bridge 3-Wire RTD input configuration.
  • Fuse rating: 50 mA
  • Max Voltage: 2.7 V 
MZB58P
MZB58P
TURCK Shunt Diode Safety Barrier, MZB Series, Positive Supply, 2-Channel, NCNR
  • 2 Channel Diode Return Device
  • For use with 2-Wire analog transmitters or grounded analog output circuits
  • 2 channels provide floating circuit free from ground 
  • Fuse rated to 200 mA
  • Max Voltage 7.3 V 
MZB60A
MZB60A
TURCK Shunt Diode Safety Barrier, MZB Series, 2-Channel, NCNR
  • 2 Channel
  • Double dual polarity
  • For use with AC +/- Voltage
  • Can be used with 2 independent field circuits
  • Fuse rating: 50 mA
  • Max Voltage: 6.7 V 
MZB61A
MZB61A
TURCK Shunt Diode Safety Barrier, MZB Series, 2-Channel, NCNR
MZB61AX
MZB61AX
TURCK Shunt Diode Safety Barrier, MZB Series, 2-Channel, NCNR
MZB65A
MZB65A
TURCK Shunt Diode Safety Barrier, MZB Series, Positive Supply, 2-Channel
  • 2 Channel
  • Double dual polarity
  • For use with AC +/- Voltage
  • Can be used with 2 independent field circuits
  • Fuse rating: 50 mA
  • Max Voltage: 12.5 V 
MZB66AX
MZB66AX
TURCK Shunt Diode Safety Barrier, MZB Series, 2-Channel, NCNR
1 - 12 of 14 Part Numbers
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