Sensor Circuit Wire Requirements - Danfoss VLT PTC Thermistor Card MCB 112 Operating Manual

VLT® PTC Thermistor Card MCB 112
Operating Guide
3. Fit the MCB 112 in slot B, see
Illustration 3: LCP Frame and Terminal Cover Removal

3.3 Sensor Circuit Wire Requirements

NO SAFE FUNCTION
Using sensor wires with a resistance >20 Ω causes the safe function not to work.
-
To ensure a properly working safe function, only use sensor circuit wires with a resistance <20 Ω.
2
Wire cross-section [mm (AWG)]
1.5 (16)
1 (17)
0.75 (18)
0.5 (20)
14 | Danfoss A/S © 2022.08
Illustration 3.
A
B
D
W A R N I N G
Wire length [m (ft)]
2x800 (2x2625)
2x500 (2x1640)
2x300 (2x984)
2x250 (2x820)
AQ267038105120en-000101 / 130R0104
Installation