Main
Measurement range
208...480 V voltage AC
product specific application
For 3-phase supply
Relay monitored parameters
Undervoltage detection
Phase sequence
Phase failure detection
switching capacity in va
1250 VA
[uc] control circuit voltage
208...480 V
Relay type
Multifunction control relay
relay name
RM17TU
[ui] rated insulation voltage
400 V conforming to IEC 60664-1
Complementary
Adjustment of asymmetry threshold
5...15 % of Un selected
maximum switching current
5 A AC
5 A DC
Product certifications
GL
GOST
UL
C-Tick
CSA
response time
< 200 ms (in the event of a fault)
output contacts
1 C/O
Product or component type
3-phase control relay
tightening torque
0.6…1 N.m conforming to IEC 60947-1
Connections - terminals
Screw terminals, 1 x 0.5...1 x 4 mm² (AWG 20...AWG 11) solid without cable end
Screw terminals, 2 x 0.5...2 x 2.5 mm² (AWG 20...AWG 14) solid without cable end
Screw terminals, 1 x 0.2...1 x 2.5 mm² (AWG 24...AWG 12) flexible with cable end
Screw terminals, 2 x 0.2...2 x 1.5 mm² (AWG 24...AWG 16) flexible with cable end
minimum switching current
10 mA at 5 V DC
marking
CE
reset time
1500 ms time delay
Delay at power up
650 ms
hysteresis
2 %
Contacts type and composition
1 C/O
safety reliability data
MTTFd = 502.2 years
B10d = 470000
Control circuit voltage limits
- 12 % + 10 % Un
maximum measuring cycle
150 ms measurement cycle as true rms value
width (w)
17.5 mm
control circuit frequency
50...60 Hz +/- 10 %
supply voltage limits
183…528 V AC
Local signalling
LED (green) for power ON
LED (yellow) for relay ON
Net weight
0.13 kg
measurement error
< 0.05 %/°C with temperature variation
< 1 % over the whole range with voltage variation
measurement voltage limits
183…528 V AC
Operating position
Any position without derating
Mounting support
35 mm symmetrical DIN rail conforming to EN/IEC 60715
mechanical durability
30000000 cycles
electrical durability
100000 cycles
repeat accuracy
0.5 % for input and measurement circuit
3 % for time delay
Housing material
Self-extinguishing plastic
Pollution degree
3 conforming to IEC 60664-1
Power consumption in va
0…22 VA at 400 V AC 50 Hz
Maximum switching voltage
250 V AC
250 V DC
Operating rate
<= 360 operations/hour full load
Phase failure sensitivity
0.7 Un
Shock resistance
15 gn for 11 ms conforming to IEC 60255-21-1
Supply frequency
50/60 Hz +/- 10 %
Utilisation category
AC-12 conforming to IEC 60947-5-1
AC-13 conforming to IEC 60947-5-1
AC-14 conforming to IEC 60947-5-1
AC-15 conforming to IEC 60947-5-1
DC-12 conforming to IEC 60947-5-1
DC-13 conforming to IEC 60947-5-1
Nominal output current
5 A
Time delay
Adjustable 0.1...10 s, +/- 10 % of the full scale value
Threshold adjustment voltage
-2...-12 % in the range 208 V AC
-2...-17 % in the range 220 V AC
2...20 % of Un selected
+2...+17 % in the range 480 V AC
Voltage range
208...480 V phase to phase
Environment
Ambient air temp for storage/transportation
-40…70 °C
Directives
73/23/EEC - low voltage directive
89/336/EEC - electromagnetic compatibility
ip degree of protection
IP20 (terminals) conforming to IEC 60529
IP30 (casing) conforming to IEC 60529
Range of product
Harmony Control Relays
ambient air temperature for operation
-20…50 °C
electromagnetic compatibility
Emission standard for industrial environments conforming to EN/IEC 61000-6-4
Emission standard for residential, commercial and light-industrial environments conforming to EN/IEC 61000-6-3
Immunity for industrial environments conforming to EN/IEC 61000-6-2
Non-dissipating shock wave
4 kV conforming to IEC 60255-5
4 kV conforming to IEC 60664-1
4 kV conforming to IEC 61000-4-5
overvoltage category
III conforming to IEC 60664-1
standards
EN/IEC 60255-1
relative humidity
95 % at 55 °C conforming to IEC 60068-2-30
vibration resistance
0.35 mm (f= 5…57.6 Hz) conforming to IEC 60068-2-6
1 gn (f= 57.6…150 Hz) conforming to IEC 60255-21-1
dielectric test voltage
2 kV, 1 min AC 50 Hz conforming to IEC 60255-5
2 kV, 1 min AC 50 Hz conforming to IEC 60664-1
insulation resistance
> 500 MOhm at 500 V DC conforming to IEC 60255-5
> 500 MOhm at 500 V DC conforming to IEC 60664-1