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Moeller EMT6 Thermistor Overload Relay 24-240 VAC
Moeller EMT6 Thermistor Overload Relay 24-240 VAC
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Moeller (Eaton) EMT6 Thermistor Overload Relay — 24-240V AC
Machine protection relay with automatic reset, DIN rail mounting, and universal 24-240V AC/DC control voltage
Overview
The Moeller (now Eaton) EMT6 is a thermistor overload relay designed for machine protection, monitoring motor winding temperatures via connected PTC thermistor sensors to detect overtemperature conditions. This unit accepts a universal 24-240V AC (50/60Hz) or 24-240V DC control voltage, mounts on standard 45mm DIN rail, and includes power ON and fault indicating LED display for at-a-glance status monitoring. Rated IP20 with a high impulse withstand voltage of up to 6000V AC, this relay is well suited for protecting motor circuits in industrial control panels.
Key Features
- Universal control voltage: Operates across 24-240V AC or DC, simplifying stocking and installation.
- Thermistor-based protection: Monitors PTC sensors embedded in motor windings for reliable overtemperature detection.
- LED status indication: Displays power ON status and fault conditions for quick diagnostics.
- High impulse withstand voltage: Rated up to 6000V AC, supporting robust electrical isolation.
- Standard DIN rail mounting: Fits standard 45mm DIN rail for straightforward control panel installation.
- Shock resistant: Rated to 10g mechanical shock per IEC/EN 60068-2-27.
- Robust safety category: Overvoltage category III, pollution degree 3, with finger and back-of-hand touch protection.
What's Included
| Item | Function | Qty |
|---|---|---|
| Moeller EMT6 Overload Relay | Thermistor overload relay for machine protection | 1 |
Brand: Moeller (Eaton) | Model: EMT6
Note: mounting rail and wiring not included unless otherwise stated. Please confirm condition and testing status before purchase.
Technical Specifications
Degree of protection: IP20.
Mounting position: As required.
Overvoltage category: III.
Pollution degree: 3.
Rated impulse withstand voltage (Uimp): 4000V AC / 6000V AC.
Safe isolation: 250V AC between contacts, and between contacts and power supply, per EN 61140.
Shock resistance: 10g mechanical, half-sinusoidal shock 10ms, per IEC/EN 60068-2-27.
Voltage type: AC (24-240V range).
Compatibility & Applications
This relay is designed for motor protection applications requiring thermal overload monitoring via PTC thermistor sensors embedded in motor windings. It's a practical fit for maintaining or expanding existing Moeller/Eaton EMT6-based motor protection circuits in industrial control panels.
