Isolation amplifier (intrinsically safe) Typ: KHA6-SH-Ex1

application: Bistable isolation amplifier with intrinsically safe control circuit class [Ex ib] IIC for
Double inductive contacts according to DIN 19234 or NAMUR or mechanical contacts in explosion-hazardous industrial plants.

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Case
NORYL SE 0 (self-extinguishing)
Case dimensions
B x H x T : 40 x 93 x 115 mm
Mounting
Snap mounting on rail: 35 mm to EN 60715
Weather protection
IP 20 to EN 60529
Wiring
Self-opening instrument terminals Cable cross section: up to 2,5 mm²
Power supply
115/230 V AC
Power consumption
< 2,3 w
Inputs (intrinsically safe)
No load voltage UA0 : approx. 8 VDC Short circuit current IAK : approx. 8 mA Switching point : 1,2 - 2,1 mA Switching hysteresis : approx. 0,2 mA Pulse length/pulse interval : ≥10 ms / ≥10 ms Lead breakage monitoring : I ≤ 0,1 μA
Details of certificate of conformity
PTB 00 ATEX 2081 Max. voltage U0 : 10,6 VDC Max. current IK: 19,1 mA Max. power Pmax : 51 mW Ignition protection class : [Ex ia] Explosion group : IIC
Outputs (non-intrinsically safe)
2 potential free make contacts Contact loading AC : 253 V / 2 A : cosφ = 0,7 Contact loading DC : 40 V / 2 A
Switching rate
Max. : 5Hz
Permissible temperatures Tmin / Tmax
Ambient temperature: - 20 ... + 60°C
Option
see technical data sheet
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