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

RFID Non-Contact Safety Interlock Switch (BMF: M18)

The BMF is an RFID machine guard safety switch that uses RFID technology to detect the presence of a guard and ensure safe operation of machinery. The M18 barrel is incredibly versatile and can be mounted directly into machine guard frames.

  • Housing/Fixing: M18 Threaded Barrel
  • Contacts: 2 N/C + 1 N/O
  • Sensing Distance: 8mm ON / 20mm OFF
  • Connection: Pre-Wired or M12 8-Pole Quick Connect
  • Indication: Single LED for Guard and RFID Code Status
  • Switching capability: 0.2A (Requires 24Vdc supply to operate)

NOTE: Supplied with fixing nuts.

Part No.Part Description
414001BMF Master Coded RFID 5M
414002BMF Master Coded RFID 10M
414003BMF Master Coded RFID QC-M12
414200Replacement Actuator Master Coded
414101BMF Uniquely Coded RFID 5M
414102BMF Uniquely Coded RFID 10M
414103BMF Uniquely Coded RFID QC-M12

Technical Data
ApprovalsTUV, cULus
Coding Level according to EN ISO 14119M = Medium / U = High
Technology RFID
Housing Material316 Grade Stainless Steel
Normally Closed ContactsUp to 2 N/C Safety (When the Guard is Closed)
Normally Open ContactsUp to 1 N/O Auxiliary (When the Guard is Closed)
Switching DistanceSao 8mm / Sar 20mm
Tolerance to Misalignment5mm in any Direction from 5mm Setting Gap
IndicationGreen LED when Guard is Closed
Connectivity2m, 5m, 10m, M12 QC
Length75mm
DiameterM18 x 1mm
IP RatingIP67, IP69K
Ambient Temperature-25 ... +55 °C (+105 °C for CIP/SIP Temporary Cleaning)
Storage Temperature-25 ... +55 °C
Supply24VDC +/- 10%
Maximum Switched Current (Outputs)200mA (Minimum Internal Resistance 8.5ohms)
Switching Frequency1.0 Hz Maximum
Approach Speed200mm/m. to 1000mm/s.
CablePVC 6mm O.D. Conductors 0.25 sq.mm

Characteristic Data according to IEC62061 (used as a sub system)
Safety Integrity LevelSIL3
PFH (1/h)4.77E-10 (Corresponds to 4.8% of SIL3)
PFD4.18E-05 (Corresponds to 4.2% of SIL3)
Proof Test Interval T120a

Characteristic Data according to EN ISO13849-1
Performance Levele (If both channels are used in combination with a SIL3/PLe control device)
CategoryCat4
MTTFd1100a
Diagnostic Coverage DC99% (high)

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