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31DRPT110 – PTC PROTECT RELAY DRPT 110VAC
Lovato 31DRPT110 is a 110 V AC 50/60 Hz thermistor motor protection relay with manual or automatic reset, a test button and 35 mm DIN rail mounting.
£154.72
Why Choose the Lovato 31DRPT110 Thermistor Protection Relay?
The Lovato 31DRPT110 is a thermistor motor protection relay designed for monitoring motor temperature through compatible thermistor protection circuits. Operating from a 110 V AC, 50/60 Hz supply, it provides a dedicated motor protection solution for industrial machinery, control panels and motor starting systems.
Part of the Lovato DRPT thermistor protection relay range, the 31DRPT110 offers selectable manual or automatic reset and incorporates a test button for functional checking. The relay is designed for standard 35 mm DIN rail mounting, allowing straightforward installation within industrial electrical enclosures.
The 31DRPT110 has a 250 V rated insulation voltage between supply, inputs and outputs, together with a 4 kV rated impulse withstand voltage. Screw terminals, IP20 frontal protection and flexible installation orientation support practical integration into industrial motor protection systems.
Key Advantages
- Dedicated thermistor motor protection relay for industrial applications.
- 110 V AC, 50/60 Hz rated supply.
- Selectable manual or automatic reset.
- Integrated test button for functional checking.
- Standard 35 mm DIN rail mounting.
- IP20 frontal protection.
- 4 kV impulse withstand voltage.
- Can be installed in any normal operating position.
Key Features
- Lovato DRPT thermistor protection relay.
- 110 V AC rated operational voltage.
- 50/60 Hz operating frequency.
- Manual or automatic reset mode.
- Test button.
- 250 V rated insulation voltage between supply, inputs and outputs.
- 4 kV rated impulse withstand voltage.
- Screw terminals.
- Maximum flexible conductor section of 1.5 mm².
- 35 mm DIN rail fixing.
- IP20 frontal protection.
- Conforms to IEC/EN 60255-5.
Thermistor-Based Motor Protection
Thermistor protection relays are used with temperature-sensitive motor protection circuits to monitor thermal conditions within motors and other electrical equipment. This provides temperature-based protection that can complement conventional current-based motor protection methods.
The Lovato 31DRPT110 combines thermistor protection functionality with manual or automatic resetting and a test button. Its 110 V AC supply and 35 mm DIN rail mounting make it suitable for integration into compatible industrial motor control and protection systems.
Typical Applications
- Thermistor-based electric motor protection.
- Industrial motor control panels.
- Motor starting and protection systems.
- Industrial machinery electrical systems.
- OEM automation and machine-building equipment.
- Control panels requiring DIN rail-mounted thermistor protection.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| Monitoring Function | Temperature / thermistor | |
| Reset Type | Manual or automatic | |
| Mounting Type | DIN rail | |
| Coil / Supply Voltage | 110 V AC | |
| Manufacturer | Lovato Electric | |
| Series | DRPT | |
| Model | 31DRPT110 | |
| Product type | Thermistor protection relay | |
| Rated supply voltage | 110 V AC | |
| Rated frequency | 50/60 Hz | |
| Reset mode | Manual or automatic | |
| Test button | Yes | |
| Trip indicator | No | |
| Phase failure detection | No | |
| Rated insulation voltage (Ui) | 250 V between supply, inputs and outputs | |
| Rated impulse withstand voltage (Uimp) | 4 kV | |
| Frontal protection rating | IP20 | |
| Pollution degree | 3 | |
| Terminal type | Screw | |
| Terminal tightening torque | 0.8–1.2 Nm | |
| Maximum flexible conductor section without lug | 1.5 mm² | |
| Maximum flexible conductor section with lug | 1.5 mm² | |
| Storage temperature | -30 to +80 °C | |
| Compensation temperature | -10 to +60 °C | |
| Operating position | Any | |
| Mounting | 35 mm DIN rail | |
| Weight | 294 g | |
| Package dimensions | 84 × 50 × 107 mm | |
| Package volume | 449.4 cm³ | |
| Quantity per package | 1 | |
| EAN13 | 8013975601013 | |
| HS code | 85389091 | |
| Conformity | IEC/EN 60255-5 |
Frequently Asked Questions
What is the Lovato 31DRPT110 used for?
The Lovato 31DRPT110 is a thermistor protection relay designed for temperature-based motor protection applications.
What supply voltage does the Lovato 31DRPT110 require?
The 31DRPT110 operates from a 110 V AC, 50/60 Hz supply.
Can the Lovato 31DRPT110 be reset automatically?
Yes. The 31DRPT110 supports both manual and automatic reset modes.
How is the Lovato 31DRPT110 mounted?
The relay is designed for mounting on a standard 35 mm DIN rail.
What is the protection rating of the Lovato 31DRPT110?
The Lovato 31DRPT110 has an IP20 frontal protection rating.
Reliable Lovato Motor Protection
The Lovato 31DRPT110 provides thermistor-based motor protection with a 110 V AC supply, manual or automatic resetting and standard 35 mm DIN rail mounting for industrial control applications.
