The Schneider Electric RM17TG00 is a modular three-phase supply monitoring relay from the Harmony Control Relays range. It monitors phase sequence and detects phase loss (two or more phases) across a self-powered voltage range of 183…528 V AC. The relay delivers a single C/O output contact rated at 5 A with a fault response time of up to 130 ms.

Technical specifications:

• Commercial reference: RM17TG00
• Manufacturer: Schneider Electric
• EAN: 3389119405065
• Series / range: Harmony Control Relays
• Relay name: RM17TG
• Monitored parameters: Phase sequence, phase loss detection (2 or more phases)
• Rated voltage range: 183…528 V AC (self-powered)
• Measurement range: 208…480 V AC
• Output contacts: 1 C/O
• Rated output current: 5 A
• Max switching voltage: 250 V AC / 250 V DC
• Switching power: 1250 VA
• Fault response time: 130 ms
• Power-on delay: 650 ms
• Supply frequency: 50/60 Hz +/- 10%
• Width: 17.5 mm
• Weight: 0.13 kg
• IP protection: IP20 (terminals) / IP30 (housing) per IEC 60529
• Operating temperature: -20…50 C
• Storage temperature: -40…70 C
• Mounting: 35 mm symmetrical DIN rail per IEC 60715
• Connection: Screw terminals, 0.5…4 mm single-core / 0.2…2.5 mm flexible with ferrule
• Electrical endurance: 100,000 cycles
• Mechanical endurance: 30,000,000 cycles
• Usage category: AC-12, AC-13, AC-14, AC-15, DC-12, DC-13 per IEC 60947-5-1
• Rated insulation voltage: 400 V per IEC 60664-1
• Dielectric test voltage: 2 kV AC 50 Hz
• Certifications: CE, C-Tick, GL, CSA, UL, GOST

Features and benefits:

• Self-powered across 183…528 V AC – no separate auxiliary power supply required
• Fast fault detection with a response time of 130 ms for phase sequence or phase loss events
• Compact 17.5 mm width enables space-efficient installation in control panels
• Yellow LED indicator provides clear local relay ON status signalization
• High reliability with MTTFd of 924.6 years and 30 million mechanical cycles
• Mounts in any position without degradation of performance

Applications:

• Protection of three-phase motors against phase sequence reversal and phase loss
• Industrial automation control panels requiring continuous three-phase supply monitoring
• HVAC, pump, and compressor systems where three-phase supply integrity is critical
• Manufacturing equipment protection against three-phase power supply faults

Compliant with IEC 60255-1 and IEC 60947-5-1, with EMC conformity to IEC 61000-6-2, IEC 61000-6-3, and IEC 61000-6-4. Part of the Schneider Electric Harmony Control Relays range.

Also known as: Schneider RM17TG00, Schneider Electric RM17TG00, phase monitoring relay, three-phase supply control relay.