Harmony Control Relays
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3-PHASE CONTROL RELAY
phase control relay RM17-T - range 183..484 V AC
SKU RM17TG20Schneider Electric RM17TG20 is a 3-phase control relay in the Harmony Control Relays range. Key specifications include control voltage: 208...440 V; mounting support: 35 mm symmetrical DIN rail conforming to IEC 60715; ip protection: IP20 (terminals) conforming to IEC 60529.
208...440 VControl voltage
35 mm symmetrical DIN rail conforming to IEC 60715Mounting support
IP20 (terminals) conforming to IEC 60529IP protection
PRODUCT DATA
Technical specifications
Source: Schneider Electric product catalog.
Verified September 18, 2026.
| Product reference | RM17TG20 |
|---|---|
| Range of product | Harmony Control Relays |
| Relay type | Control relay |
| Product or component type | 3-phase control relay |
| Relay monitored parameters | Phase sequence Phase failure detection (2 or more phase cut) |
| Control type | Without test button |
| Contacts type and composition | 2 C/O |
| [Uc] control circuit voltage | 208...440 V |
| Product specific application | For 3-phase supply |
| Relay name | RM17TG |
| [Us] rated supply voltage | , self-powered |
| Supply voltage limits | 183…484 V AC |
| Supply frequency | 50/60 Hz +/- 10 % |
| Power consumption in VA | 0…22 VA at 400 V AC 50 Hz |
| Measurement range | 208...480 V AC |
| Measurement voltage limits | 183…484 V AC |
| Voltage detection threshold | < 100 V AC |
| Time delay type | Without |
| Response time | <= 130 ms (in the event of a fault) |
| Output contacts | 2 C/O |
| nominal output current | 5 A |
| Maximum switching voltage | 250 V AC |
| Switching capacity in VA | 1250 VA |
| Minimum switching current | 10 mA at 5 V DC |
| Electrical durability | 100000 cycles |
| Mechanical durability | 30000000 cycles |
| Control circuit voltage limits | - 12 % + 10 % Un |
| Control circuit frequency | 50...60 Hz +/- 10 % |
| 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 | GOST C-Tick UL CSA GL |
| Marking | CE |
| Directives | 73/23/EEC - low voltage directive 89/336/EEC - electromagnetic compatibility |
| Ambient air temperature for storage | -40…70 °C -40…70 °C |
| Ambient air temperature for operation | -20…50 °C |
| Relative humidity | 95 % at 55 °C conforming to IEC 60068-2-30 |
| IP degree of protection | IP20 (terminals) conforming to IEC 60529 IP30 (casing) conforming to IEC 60529 |
| Pollution degree | 3 conforming to IEC 60664-1 |
| Overvoltage category | III conforming to IEC 60664-1 |
| Dielectric test voltage | 2 kV, 1 min AC 50 Hz |
| Insulation resistance | > 500 MOhm at 500 V DC conforming to IEC 60255-5 |
| [Ui] rated insulation voltage | 400 V conforming to IEC 60664-1 |
| Operating position | Any position without derating |
| Connections - terminals | Screw terminals, 1 x 0.5...1 x 4 mm² (20 AWG...11 AWG) solid without cable end Screw terminals, 2 x 0.5...2 x 2.5 mm² (20 AWG...14 AWG) solid without cable end Screw terminals, 1 x 0.2...1 x 2.5 mm² (24 AWG...12 AWG) flexible with cable end Screw terminals, 2 x 0.2...2 x 1.5 mm² (24 AWG...16 AWG) flexible with cable end |
| Tightening torque | 0.6…1 N.m conforming to IEC 60947-1 |
| Housing material | Polycarbonate |
| Local signalling | LED (yellow) for relay ON |
| Mounting support | 35 mm symmetrical DIN rail conforming to IEC 60715 |
| Reliability data | B10d = 850000 MTTFd = 924.6 years |
| Height | 90 mm 88.9 mm |
| Width | 17.5 mm 17.8 mm |
| Depth | 72 mm 71.1 mm |
| Net weight | 0.085 kg 0.09 kg |
For complete electrical ratings, applicable standards, connection requirements and installation instructions, consult the official Schneider Electric reference ↗.