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A.1.2
Auxiliary power
External auxiliary power
Current consumption
Polarity reversal protection
Short-circuit protection/
overload protection
Undervoltage detection
(USP)
Bridging of power failure
Insulation voltage
A.1.3
Digital inputs
Input voltage
Current consumption
Sensor supply
A.1.4
Brake output 400 V AC
Voltage range
Current carrying capacity
Short-circuit protection
ECOFAST Motor Starters
GWA 4NEB 950 5221-12 DS 01
Unswitched voltage
(AS-i)
23.0 V DC to 31.5 V DC
Typically 60 mA,
inputs not connected
Yes (device will not function, however)
Yes/
0.5 A multifuse
self-healing fuse
Reset by power OFF
< 17 V DC
≥ 20 ms (device is not affected)
500 V DC between the auxiliary voltages and PE
20.4 V DC to 28.8 V DC
Typically 7 mA per input
Max. 200 mA
(from AS-i. Sensor supply is short-circuit-proof)
100 V AC to 460 V AC
AC 15: 500 mA
Fusible link
Technical data
Switched voltage
(AUX PWR)
20.4 V DC to 28.8 V DC
standard power supply to DIN
19240
(AUX PWR)
(PELV - must be grounded)
Typically 75 mA, switching
element (contactor) on
Typically 15 mA, switching
element (contactor) off
No
< 17 V DC
am 1 A/500VAC
A-5
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