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

RFID Safety Gate Box 4 Station with Rear Release (UGB4-KLT-SS-RFID-RR)

UGB-KLT-SS-RFID provides high level RFID coded interlocking and machine control functions in one heavy duty housing. They can be easily fitted to access doors to provide guard locking, rear escape options and sliding or rotary handles to reduce the risk of operators being trapped inside a guarded area. The UGB-KLT-SS-RFID housing will incorporate 22mm push buttons, lamps or switches which can be added to provide machine request or control functions in one form factor.

  • Body Material: Mirror Polished 316 Grade Stainless Steel
  • Ingress Protection: IP65
  • RFID Coding: Unique (can be retaught if lost or damaged)
  • Control Devices: 4
  • Connection: 3 x M20 or ½” NPT (Quick Connect Options Available)

NOTE: Pilot devices, handle accessories sold separately.

Part NumberDescriptionSafety ChannelsAuxiliaryRear ReleaseManual OverrideConduit
521002UGB4-KLT-SS-RFID-RR Manual Override2NC Lock / 2NC Guard1 PNP Lock / 1 PNP GuardYesYesM20
521004UGB4-KLT-SS-RFID-RR No Manual Override2NC Lock / 2NC Guard1 PNP Lock / 1 PNP GuardyesNoM20

Technical Data
ApprovalsTUV, cULus
Classification and Coding Level according to EN ISO 14119Type 4, High
TechnologyRFID, Power to Unlock
Housing Material316 Grade Stainless Steel
Supply Voltage24Vdc (+/- 10%)
Power ConsumptionR+ 1.2W (50mA Max.) / S+ 12W (500mA Max.)
Safety Circuits24Vdc 200mA max. switching
Auxiliary Circuits (34 & 44)24Vdc 200mA max. Output feed
Rated Insulation Voltage500VAC
Rated Impulse withstand1000VAC
Holding ForceF1Max 3000N Fzh 2307N
Assured locking distance5mm
Sao (RFID)10mm
Sar (RFID)20mm
Max operating frequency1Hz
Actuator entry minimum radius175mm
Enclosure ProtectionIP65
Operating Temperature-25 ... +40 °C
Mechanical Life Expectancy (B10d)2.5 x 10 6 cycles at 100mA load
VibrationIEC68-2-6, 10-55Hz+1Hz Excursion: 0.35mm, 1 octave/min

Characteristic data according to IEC62021 (used as a subsystem)
Safety Integrity LevelSIL 3
PFH (1/h) 4.77E-10 (Corresponds to 4.8% of SIL3)
PFD 4.18E-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 conjunction with a SIL 3 / PL e control device)
Diagnostic Coverage DC99% (High) (If both channels are used in conjunction with a SIL 3 / PL e control device)
CategoryCat 4

Information with regard to UL 508
Type 1 enclosure. Maximum temperature 40°C. Use 16-28AWG copper conductors (rated 90°C). Terminal Torque 6 lb ins. (0.7Nm). Intended for same polarity use. Safety Circuits (11-31 & 21-41) A300 Pilot Duty. 240V. 3A. (PF 0.38 or greater tested for 6,000 cycles endurance). Use one polymeric conduit connection. Not suitable for connection to rigid metal conduit. (Earth bonding terminal inside enclosure if required – use 16-12AWG conductors). Push Button ratings (Optional) 120 -240 Vac, 1.5 - 1.0 A 24 - 125 Vdc, 0.3 – 0.2 A