Current and Voltage Controls
3-Phase Voltage Sequence Control
Type H 470
鈥?3-phase monitoring relay for phase
sequence/phase loss
鈥?Measures when all 3 phases are present and
have the correct phase sequence
鈥?Output: 10 A SPDT relay
鈥?For mounting on DIN-rail in accordance with
DIN/EN 50 022
鈥?H4-housing
鈥?LED-indication for power supply and output ON
鈥?Power supply is the 3-phase measuring voltage
Product Description
3-phase monitoring and
phase sequence/phase loss
relay for DIN-rail mounting.
Frequently used to secure the
right phase sequence when
connecting a load to a 3-
phase electrical system.
Ordering Key
Housing
Type
Output
Power supply
H 470 156 400
Type Selection
Plug
Screw
terminals
Output
SPDT
Supply: 230 VAC
H 470 156 230
Supply: 400 VAC
H 470 156 400
Input Specifications
Input
Terminal 21
Terminal 22
Terminal 23
Terminal 24
Neutral (optional connection)
Phase L1
Phase L2
Phase L3
measures on own supply
Output Specifications
Output
Rated insulation voltage
Contact ratings
(AgCdO)
Resistive loads
AC 1
DC 1
or
Small inductive loads AC 15
DC 13
Mechanical life
Electrical life
AC 1
Operating frequency
Dielectric strength
Dielectric voltage
Rated impulse withstand volt.
SPDT relay
250 VAC (rms)
(cont./elect.)
碌 (micro gap)
10 A/250 VAC (2500 VA)
1 A/250 VDC (250 W)
10 A/25 VDC (250 W)
2.5 A/230 VAC
5 A/24 VDC
鈮?/div>
30 x 10
6
operations
鈮?/div>
2.5 x 10
5
operations
(at max. load)
鈮?/div>
7200 operations/h
鈮?/div>
2 kVAC (rms) (cont./elect.)
4 kV (1.2/50 碌s) (cont./elect.)
(IEC 60664)
Supply Specifications
Overvoltage cat. III (IEC 60664)
(IEC 60038)
3 x 230 VAC 鹵 15%,
45 to 65 Hz
3 x 400 VAC 鹵 15%,
45 to 65 Hz
Voltage interruption
鈮?/div>
40 ms
Dielectric voltage
None (supply/elect.)
Rated impulse withstand volt. 4 kV (1.2/50 碌s) (line/neutral,
line/line), direct connection
to electronics
Rated operational power
2.5 VA
Power supply AC types
Rated operational voltage
Through term. 21, 22, 230
23 & 24
400
Specifications are subject to change without notice (26.10.99)
1
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