Specifications are subject to change without notice (10.01.00)
1
• 3-phase monitoring relay for phase
sequence/phase loss (closed circuit)
• Measures when all 3 phases are present and have
the correct phase sequence
• Measures on own power supply
• Knob-adjustable level setting
• Output: Up to 3 x 5 A SPDT relay
• For mounting on DIN-rail in accordance with
DIN/EN 50 022
• 45 mm Euronorm housing
• LED-indication for relay and power supply ON
Product Description
Ordering Key
Housing
Function
Type
Output
Power supply
3-phase line voltage monitor-
ing and phase sequence/
phase loss relay. Adjustment
on built-in potentiometer of
monitored
voltage
within
±15% of rated operational
voltage. For mounting on DIN-
rail. Frequently used to se-
cure the right phase sequence
when applying a load to a 3-
phase electrical network.
EUA C 400
Type Selection
Mounting
Output
Supply: 220 VAC
Supply: 400 VAC
Supply: 480 VAC
Supply: 600 VAC
For DIN-rail
1 SPDT
EUA C 220
EUA C 400
EUA C 480
EUA C 600
2 SPDT
EUA D 220
EUA D 400
EUA D 480
EUA D 600
3 SPDT
EUA T 220
EUA T 400
EUA T 480
Input Specifications
Input U, V, W
L1 - L2 - L3
measures on own supply
Measuring ranges
220
187-253 VAC
400
340-460 VAC
480
408-552 VAC
600
510-690 VAC
ON-level
70% of voltage setting
Voltage setting
±15% (of rated operational
voltage)
Supply Specifications
Power supply
Overvoltage cat. III (IEC 60664)
Rated operational voltage
(IEC 60038)
Through term. U, V, W 220
220 VAC, ±15%
50/60 Hz, -5/+5 Hz
400
400 VAC, ±15%
50/60 Hz, -5/+5 Hz
480
480 VAC, ±15%
50/60 Hz, -5/+5 Hz
600
600 VAC, ±15%
50/60 Hz, -5/+5 Hz
Voltage interruption
≤ 40 ms
Dielectric voltage
None
Rated impulse withstand
voltage
up to 480 VAC
4 kV (1.2/50 µs)
up to 600 VAC
6 kV (1.2/50 µs)
Rated operational power
2.5 VA
Supplied from
L1 & L3
Output Specifications
Output
1, 2 or 3 x SPDT relay
Rated insulation voltage
250 VAC (contact/elect.)
Contact ratings (AgCdO)
µ (micro gap)
Resistive loads
AC 1
5 A, 250 VAC
DC 1
5 A, 24 VDC
Small inductive loads AC 15
2 A, 250 VAC
DC 13
3 A, 24 VDC
Mechanical life
≥ 40 x 106 operations
Electrical life
≥ 105 operations
(at max. load)
Operating frequency
≤ 7200 operations/h
Dielectric strength
Dielectric voltage
2 kVAC (rms)
Rated impulse withstand volt. 4 kV (1.2/50 µs)
Type EUA
3-Phase Sequence and Phase Loss
Current and Voltage Controls
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