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Schneider Electric RM4TG20 Harmony RM4-T Three-Phase Control Relay, 200-500 V, 2 C/O Contacts
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$70.00 USD
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$70.00 USD
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The Schneider Electric RM4TG20 is a Harmony RM4-T series three-phase network control relay designed for monitoring phase failure and phase sequence on 200 – 500 V supplies. Featuring two change-over output contacts, high mechanical endurance, and DIN-rail compatibility, it provides reliable protection and control for industrial applications.
- Monitors phase failure & phase sequence on 3-phase networks
- Wide supply range: 200 – 500 V AC, 50/60 Hz ±5 %
- Two C/O relay outputs rated up to 3 A AC-15
- High mechanical durability: 30 million cycles
- Compact 22.5 mm DIN-rail housing (78 × 22.5 × 80 mm)
- IP50 (casing) / IP20 (terminals) protection
| Product ID (MPN) | RM4TG20 |
| Brand | Schneider Electric |
| Range / Series | Harmony RM4-T |
| Product Type | Three-phase network control relay |
| Monitored Parameters | Phase failure, Phase sequence |
| Supply Voltage Range | 200 – 500 V AC |
| Supply Frequency | 50/60 Hz ±5 % |
| Rated Insulation Voltage (Ui) | 500 V IEC |
| Rated Operational Current (Ie) | 2 A @ 24 V DC-13, 3 A @ 115/250 V AC-15 |
| Conventional Thermal Current (Ith) | 8 A |
| Maximum Switching Voltage | 440 V AC |
| Output Contacts | 2 × C/O (SPDT) |
| Contact Material | 90/10 silver–nickel |
| Minimum Switching Capacity | 10 mA @ 12 V |
| Time Delay at Power-up | 650 ms |
| Setting Accuracy (Time) | ±10 % |
| Maximum Measuring Cycle | 80 ms |
| Mounting Type | 35 mm DIN rail / screw fixing |
| Terminal Capacity | 2 × 1.5 mm² flex (with ferrule) / 2 × 2.5 mm² flex (without ferrule) |
| Tightening Torque | 0.6 – 1.1 N·m (5.3 – 9.7 lbf·in) |
| Mechanical Durability | 30,000,000 cycles |
| Height | 78 mm (3.07 in) |
| Width | 22.5 mm (0.9 in) |
| Depth | 80 mm (3.1 in) |
| Net Weight | 0.11 kg (0.24 lb) |
| Operating Temperature | -20 … +65 °C (-4 … +149 °F) |
| Storage Temperature | -40 … +85 °C (-40 … +185 °F) |
| Relative Humidity | 15 … 85 % (IEC 60721-3-3 class 3K3) |
| IP Rating | IP50 (casing) / IP20 (terminals) |
| Overvoltage Category | III (IEC 60664-1) |
| Pollution Degree | 3 (IEC 60664-1) |
| Standards | EN/IEC 60255-6, IEC 60947-5-1 |
| Certifications / Approvals | UL, CSA, GL, CE |
| Country of Origin | Indonesia |
| Warranty | 18 months |
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