MDB Series Bearing Sensors
MDB810V3, MDB819V3, MDB812V3, MDB813V3, MDB814V3, MDB832V3, MDB833V3, MDB834V3

The MDB series is a range of bearing sensors manufactured to screw directly into a bearing housing through the existing 1/4” BSPT threaded grease zerk (can be installed in 1/8” NPT grease zerk fitting with an adapter). Each sensor is fitted with a grease zerk to allow lubrication of the bearing without the need for removal of the sensor. The sensor is fitted with a M12 connector for use with a separately supplied cable and socket assembly which can be attached connected directly to a PLC or to a hazard monitoring system, such as 4B’s IE-Node, T500 Hotbus Elite, Watchdog Super Elite, or T400 / T400 NTC Elite. The connections are not polarity sensitive therefore special connection requirements are eliminated. Four versions are available, a NTC thermistor model or PT100 type for continuous temperature monitoring, and PTC or Contact thermistor models with five trip points (60°C, 70°C, 80°C).

MDB bearing temperature sensor
Product Features
  • Screw in installation
  • Grease zerk for bearing lubrication
  • Wiring connector
  • NTC version - continuous temperature
  • PT100 Version
  • PTC or contact version - trip points from 50°C to 90°C
  • Compatible with T400 Elite, T500 Elite, IE-Node or Watchdog Super Elite control modules
  • Not ATEX approved
Electronics Application

Belt Conveyor

Belt Conveyor

Bucket Elevator

Bucket Elevator

Chain Conveyor

Chain Conveyor

Screw Conveyor

Screw Conveyor
Certification

UKEx

UKEx
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CE

CE
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CE Logo
Part Number Description Thermistor Type Thread
#
MDB810V3 Continuous Temperature Monitoring NTC ¼” BSPT
MDB819V3 Continuous Temperature Monitoring PT100 ¼” BSPT
MDB812V3 60°C Trip Point PTC ¼” BSPT
MDB813V3 70°C Trip Point PTC ¼” BSPT
MDB814V3 80°C Trip Point PTC ¼” BSPT
MDB832V3 60°C Trip Point Contact ¼” BSPT
MDB833V3 70°C Trip Point Contact ¼” BSPT
MDB834V3 80°C Trip Point Contact ¼” BSPT
Part Number Description
CA4SW03A 3m long cable; M12 to bare ended
CA4SW05A 5m long cable; M12 to bare ended
CA4SW10A 10m long cable; M12 to bare ended
CA4SW30A 30m long cable; M12 to bare ended
CA4SP03A 3m long cable; M12 to M12
CA4SP05A 5m long cable; M12 to M12
CA4SP10A 10m long cable; M12 to M12
CA4SP30A 30m long cable; M12 to M12


TECHNICAL SPECIFICATIONS:
MDB Series Bearing Temperature Sensors