KL1904 – BECKHOFF

Technical data KL1904
Connection technology 2-wire
Number of inputs 4
Protocol TwinSAFE/Safety over EtherCAT
Response time typ. 4 ms (read input/write to K-bus)
Fault response time ≤ watchdog time (parameterizable)
Current consumption power contacts –
Current consumption K-bus 48 mA
Installation position horizontal
Safety standard DIN EN ISO 13849-1:2008 (Cat. 4, PL e) and EN 61508:2010 (SIL 3)
Weight approx. 50 g
Protection rating IP20
Ex marking II 3 G Ex nA IIC T4 Gc
Technical Data

Housing Data
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Housing data KL-12-8pin
Design form compact terminal housing with signal LEDs
Material polycarbonate
Dimensions (W x H x D) 12 mm x 100 mm x 68 mm
Installation on 35 mm DIN rail, conforming to EN 60715 with lock
Side by side mounting by means of double slot and key connection
Marking labeling of the BZxxx series
Wiring solid conductor (e), flexible conductor (f) and ferrule (a): spring actuation by screwdriver
Connection cross-section s*: 0.08…2.5 mm²,
st*: 0.08…2.5 mm²,
f*: 0.14…1.5 mm²
Connection cross-section AWG s*: AWG 28…14,
st*: AWG 28…14,
f*: AWG 26…16
Stripping length 8…9 mm 9…10 mm