KLTM-RFID Solenoid Interlock Switch Power to Unlock 24 V dc

  • RS Stock No. 826-3981
  • Mfr. Part No. 450201
  • Manufacturer IDEM
Product overview and Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
COO (Country of Origin): GB
Product Details

IDEM RAMZLOCK KLTM Solenoid Interlock Switch with Unique RFID Coding

The RAMZLOCK KLTM-RFID series from IDEM are solenoid locking door switches with traditional mechanical anti-tamper tongue technology (CAM system) but which also incorporate uniquely coded RFID non contact sensor technology. These switches are ideal for preventing accidental or deliberate attempts to by-pass the interlock offering dual protection as both technologies must be satisfied to enable the machine to be started.
Depending upon the risk assessment for the application, the RAMZLOCK can be used independently to provide positively operated contacts to IEC 60947-5-1 or can be used in combination with any dual channel safety monitoring relays to provide up to Category 4 PLe ISO 13849-1 or SIL3 EN62061.
These RFID switches have a red painted diecast body and stainless steel head and have been developed with a holding force of 2000N to keep medium to large guard doors closed until hazards have been removed. They have a low profile and fixing holes are on an industry standard 73mm centre to enable easy retro fitting to new or existing guards.
The KLTM-RFID safety switches fit to the leading edge of sliding or hinged machine guards and have been designed for use in the Factory Automation, Packaging, Food Processing, Pharmaceutical and Petro-Chemical industries.

Integral high security RFID coding
RFID antenna on front and end entries
High holding force 2000N
Spring to lock when actuator is inserted - energise solenoid to unlock
2 lock monitoring safety contacts for high function and diagnostic specification
Auxiliary PNP outputs for switch status
LED diagnostics for solenoid, lock and RFID
2 emergency manual release points
Positive break contacts to IEC 60947-5-1
High functional safety to ISO 13849-1
Connects to most safety relays to give up to PLe Cat.4
IP67 protection
3 conduit entry points M20
Rugged red painted diecast body and stainless steel head
Will fit on 73mm fixing centres
2 actuator entry positions:
826-3981 has front or end (lower)
826-3990 has rear or front (upper)


Supplied with actuator.


EN 1088, IEC 60947-5-1, EN 60204-1, ISO 13849-1, EN 62061, EN 954-1, UL 508.


CE, cULus, TUV.

Attribute Value
Power to Lock / Unlock Power to Unlock
Actuator Included Yes
Actuator Type Coded RFID
Conduit Entry M20
Length 155mm
Width 105mm
Depth 46.5mm
Supply Voltage 24 V dc
Dimensions 155 x 105 x 46.5 mm
IP Rating IP67
Safety Contacts 2NC
Housing Material Metal
Auxiliary Contacts 1NO
2 In stock for delivery within 3 working days
Price Each
HK$ 2,624.33
(exc. GST)
Per unit
1 +
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