Range of produc

Harmony Control Relays

Relay type

Multifunction control relay

Product or component type

3-phase control relay

Product specific application

For 3-phase supply

Relay name

RM17TT

Relay monitored parameters

Phase failure detection Phase sequence

time delay

Without

Switching capacity in VA

1250 VA

Measurement range

208...480 V voltage AC

Contacts type and composition

1 C/O

[Uc] control circuit voltage

208...480 V

Reset time

1500 ms time delay

Maximum switching voltage

250 V AC 250 V DC

Minimum switching current

10 mA at 5 V DC

Maximum switching current

5 A AC 5 A DC

Supply voltage limits

183…528 V AC

Control circuit voltage limits

- 12 % + 10 % Un

Power consumption in VA

0…22 VA at 400 V AC 50 Hz

control circuit frequency

50...60 Hz +/- 10 %

Output contacts

1 C/O

Nominal output current

5 A

Measurement voltage limits

183…528 V AC

Hysteresis

2 %

delay at power up

650 ms

Maximum measuring cycle

150 ms measurement cycle as true rms value

Threshold adjustment voltage

-2...-17 % in the range 220 V AC 2...20 % of Un selected +2...+10 % in the range 480 V AC -2...-12 % in the range 208 V AC

Voltage range

208...480 V phase to phase

Adjustment of asymmetry threshold

5...15 % of Un selected

Repeat accuracy

0.5 % for input and measurement circuit 3 % for time delay

Measurement error

< 0.05 %/°C with temperature variation < 1 % over the whole range with voltage variation

phase failure sensitivity

0.7 Un

Response time

< 200 ms (in the event of a fault)

Marking

CE

Overvoltage category

III 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

[Ui] rated insulation voltage

400 V conforming to IEC 60664-1

Supply frequency

50/60 Hz +/- 10 %

Operating position

Any position without derating

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

Tightening torque

0.6…1 N.m conforming to IEC 60947-1

Housing material

Self-extinguishing plastic

Local signalling

LED (green) for power ON LED (yellow) for relay ON

Mounting support

35 mm symmetrical DIN rail conforming to IEC 60715

Electrical durability

100000 cycles

Mechanical durability

30000000 cycles

Operating rate

<= 360 operations/hour full load

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

Safety reliability data

MTTFd = 502.2 years B10d = 470000

Width

17.5 mm

Net weight

0.13 kg

Electromagnetic compatibility

Emission standard for industrial environments conforming to IEC 61000-6-4 Emission standard for residential, commercial and light-industrial environments conforming to IEC 61000-6-3 Immunity for industrial environments conforming to IEC 61000-6-2

Standards

IEC 60255-1

product certifications

UL GL C-Tick GOST CSA

Directives

73/23/EEC - low voltage directive 89/336/EEC - electromagnetic compatibility

Ambient air temperature for storage

-40…70 °C

Ambient air temperature for operation

-20…50 °C

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

Shock resistance

15 gn for 11 ms conforming to IEC 60255-21-1

IP degree of protection

IP20 (terminals) conforming to IEC 60529 IP30 (casing) conforming to IEC 60529

Pollution degree

3 conforming to IEC 60664-1

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

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

Unit Type of Package 1

PCE

Number of Units in Package 1

1

Package 1 Height

2.8 cm

Package 1 Width

7.8 cm

Package 1 Length

9.6 cm

Package 1 Weight

90.0 g

Unit Type of Package 2

S02

Number of Units in Package 2

48

Package 2 Height

15.0 cm

Package 2 Width

30.0 cm

Package 2 Length

40.0 cm

Package 2 Weight

4.958 kg

Warranty

18 months