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Safe Box L | XL safety-supervision for elevators

  • Electronic evaluation unit in which safety-relevant switching and control functions are implemented
  • Up to 4 pairs of safety relays
  • ETSL delay control, end positions, door zones, safety brake release
  • Flexibillity in the adaption and expansion of the implemented switching and safety functions
  • Up to 29 safety inputs, 9 outputs
  • 2 safety circuit inputs (110 V, 220 VAC or 48 VDC)
  • CAN interface DS406 for parameter setting or car position transmission
  • Customer specific  software implementable

in preparation

Product inquiry


Housing materialaluminium
Housing dimensions
(W x B x H)
Safe Box L: 220 x 134 x 97 mm, Safe Box XL: 220 x 134 x 134 mm
Signal cable (SCA and PIO)1.5 m standard length
Connectionssensor: pluggable M12 socket, SCA, PIO cable: open cable ends, optional with plug connectors
WeightSafe Box L: approx. 1640 g (without cable), Safe Box XL: approx. 1800 g (without cable), cable: approx. 60 g/m


Power supply voltage24 VDC, +20% / -25%
Residual ripple< 100 mV
Current consumptionSafe Box L: max. 500 mA, Safe Box XL: max. 750 mA
Battery voltage12 VDC ± 20%
InterfacesCANopen - DS406, others on request, RS485 for sensor communication
Number of safe inputsSafa Box L: 7, Safe Box XL: 21 + 8
Number of safety circuit inputs2 (110 V, 220 VAC or 48 VDC)
Number of electronic outputsSafe Box L: 1, Safe Box XL: max. 9


Number of safety relaysstandard: 3 (OC, NOC, SGC), optional 4
Voltage110 VAC / 220 VAC / 24 VDC
Contact load  standard: max. 2 A, optional: max. 4 A
Response time< 55 ms


Achieved SIL SIL3 (in preparation)
Fulfilled standardsEN81-20 (in perparation)
Further certificationsEC type-examination (in perparation)


Storage temperature-25 ... +85 °C 
Operating temperature-10 ... +70 °C, -25 ... +85 °C on request
Humiditiy95 %, non-condensing
Operating heightmax. 2000 m above sea level
Protection classIP54 (according to EN60529), higher on request
Interference emission/ immunity EN 12015 / EN 12016
Vibration/ shock resistanceEN 60068-2-6 / EN 60068-2-27 / EN 60068-2-29
Delay by motor brake> 1.7 m/s²
Delay by lift control< 1.2 m/s²
Buffer dimensioning> 0.63 m/s² (inspection speed)

Product of ELGO Batscale AG