2n r lift1 cabin unit compact surface mount 919645e OVFR1A-402 Application: Elevator call button replacement

Application: Elevator call button replacement or installation

2N® LiftIP Cabin Unit – Flush Mount – With Button (921618BE)

LOCK CENTRE OPEN AMD 01L

OTIS Sheave AAA20780P2 – 5 Grooves

2n r lift1 cabin unit compact surface mount 919645e OVFR1A-402 Application: Elevator call button replacementTechnical Specifications Minimum line current: 15 mA, directly from the handset Minimum line voltage (on hook): 22 V DC voltage drop (off hook): < 9 V at 20 mA, < 12 V at 50 mA On hook resistance: > 1 M (U = 25100 V) Off hook impedance: 220 + 820 in parallel, 115 nF, 15 to 60 mA Attenuation: > 14 dB, 15 to 60 mA Bandwidth: 300 to 3500 Hz, 15 to 60 mA Ringing impedance: > 2 k, C = 0. 47 F, 25 to 50 Hz Pulse dialing: 40 60 ms DTMF tone levels: 9. 0 dB