Leading Manufacturer of Safety Interlock Switches and Machine Guard Safety Switch Devices for Automation and Process Safety

RFID Non-Contact Safety Interlock Switch with OSSD (BMZ:M18)

The BMZ non-contact machine guard safety switch features RFID-coded sensor and OSSD PNP outputs, meeting high-level coding requirements and Type 4 compliance with ISO14119. The M18 barrel is robust and versatile, suitable for installation directly into machine guard frames.


  • Housing/Fixing: M18 Threaded Barrel
  • Contacts: 2 OSSD Outputs (PNP) + 1 Auxiliary Output (PNP)
  • Sensing Distance: 8mm ON / 20mm OFF
  • Connection: Pre-Wired or M12 8-Pole Quick Connect
  • Indication: Three LED’s for Guard, Code, Input and Output Status
  • Switching capability: 0.2A (Requires 24Vdc supply to operate)

NOTE: Supplied with fixing nuts.

Part No. Part Description
411101 BMZ-U 5M
411102 BMZ-U 10M
411103 BMZ-U QC-M12
411001 BMZ-M 5M
411002 BMZ-M 10M
411003 BMZ-M QC-M12
411200 Replacement Actuator Master Coded

Technical Data
ApprovalsTUV, cULus
Coding Level according to EN ISO 14119M = Medium / U = High
TechnologyRFID
Housing Material316 Grade Stainless Steel
Safety Channels2 OSSD PNP Outputs
Auxiliary Indication1 PNP Output
Switching DistanceSao 5mm / Sar 20mm
Tolerance to Misalignment5mm in any Direction from 3mm Setting Gap
Indication3 Bi-Colour LED's (See Technical Drawing)
Connectivity5m, 10m, M12 QC
Length75mm
DiameterM18 x 1
IP RatingIP67, IP69K (QC Versions IP67 for Connector)
Ambient Temperature-25 ... +55 °C (+105 °C for CIP/SIP Temporary Cleaning)
Storage Temperature-25 ... +80 °C
Rated Operating Voltage24 Vdc -15% +10% (Use SELV/PELV)
Power Consumption0.7 W
Output Rated Voltage24 Vdc
Outputs Max. Current200mA
Outputs Min. Current1 mA
Inputs Rated Voltage 24 Vdc
Inputs Rated Current2 mA
Auxiliary Signaling Output Rated Voltage24 Vdc
Auxiliary Signaling Output Max. Current0.2 A
Response Time Guard Open60ms max.
Response Time Inputs Off20ms max.

Characteristic Data according to IEC62061 (used as a sub system)
Safety Integrity LevelSIL3
PFH (1/h)1.0 E-09 (Corresponds to 1% of SIL3)
PFD8.8 E-05 (Corresponds to 9% of SIL3)
Proof Test Interval T120a

Characteristic Data according to EN ISO13849-1
Performance Levele
Category4
MTTFd771a
Diagnostic Coverage DCHigh

Information with regard to UL 508
EnclosureType 1
Maximum Temperature+50 °C
Maximum Output24V.dc 100mA
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