TELEMECANIQUE RM35TF30

Telemecanique RM35TF30 3-Phase Monitoring Relay

Description

The Telemecanique RM35TF30 is a versatile and reliable 3-phase supply control relay from the Zelio Control range. It is designed to monitor phase sequence, detect total phase failure, and protect against both overvoltage and undervoltage conditions. This makes it an essential component for safeguarding motors, pumps, and other three-phase equipment from damaging power fluctuations. The unit features adjustable settings for voltage thresholds and time delays, allowing for precise customization to your application’s needs. Its compact design and DIN rail mounting ensure straightforward installation in any control cabinet. Order now from spareparts2day for expert support and fast delivery.

Specifications

• Manufacturer: Telemecanique (Schneider Electric)
• Model: RM35TF30
• Product Type: 3-Phase Monitoring Relay
• Supply Voltage Range: 220 to 480 V AC
• Frequency: 50/60 Hz
• Output Contacts: 2 C/O (Changeover)
• Contact Rating: 5A at 250V AC
• Mounting: 35mm DIN Rail
• Monitoring Functions: Phase Sequence, Phase Failure, Overvoltage, Undervoltage

Label Info

• Input: L1/L2/L3: 3×220-480V AC, 50/60Hz
• Output Ratings: 5A/250V; 1/4HP 240V AC; AC-15: 3A/250V; DC-13: 2A/24V

Application

Ideal for use in industrial automation, HVAC systems, pumping stations, and any application where the stability of a three-phase power supply is critical to prevent equipment damage and operational downtime.

Country of Origin

Made in Indonesia.

CO2 Impact

By purchasing this reconditioned item, you are helping to avoid the production of a new one, which saves approximately 5.2 kg of CO2. This is comparable to the emissions saved by driving a car for 26 kilometers.

Availability

This unit is in stock and ready for immediate dispatch.

FAQ

What are the adjustable settings on the RM35TF30?

The RM35TF30 allows for the adjustment of the undervoltage threshold (from -2% to -20% of the nominal supply voltage) and the overvoltage threshold (from +2% to +20%). It also features an adjustable time delay to prevent nuisance tripping from momentary fluctuations.

Can this relay detect both overvoltage and undervoltage conditions simultaneously?

Yes, the RM35TF30 is designed to monitor a voltage window. It will trigger if the voltage goes below the set undervoltage threshold or exceeds the set overvoltage threshold, providing comprehensive protection.

Is the RM35TF30 suitable for monitoring power from a variable frequency drive (VFD)?

While it can be used, caution is advised. The non-sinusoidal output of some VFDs can cause inaccurate readings or nuisance tripping. It is recommended to install the relay on the line side (input) of the VFD or consult the VFD’s documentation for compatibility with monitoring relays.

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Last Update: Friday, March 13, 2026