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RM148 - MOD EARTH LEAKAGE RELAY 24-48VAC/DC
MPN: RM148
Special Price
£196.36
£163.63
Regular Price
£327.25
Why Choose the RM148?
The Lovato RM148 Earth Leakage Relay delivers dependable protection with a single operating threshold and fixed tripping set point and time. Designed for modular 35 mm DIN (IEC/EN60715) rail mounting, it works with an external toroidal transformer (CT) and Type A residual operation characteristic. Wide 24–48 VAC/DC supply compatibility simplifies panel design while the RM1 product designation ensures easy cross-reference within the Lovato range.
Built for demanding environments, this relay conforms to IEC/EN 60947-2 and is engineered for long service with a mechanical life of 50,000,000 cycles. Clear terminal access with 0.5 Nm maximum tightening torque supports secure wiring, and an operating temperature from −10 to +60 °C enhances versatility across control panels and distribution boards in industrial, commercial and OEM applications.
Key Benefits
- Type A residual operation characteristic for reliable earth fault detection.
- Modular 35 mm DIN (IEC/EN60715) mounting for fast, tidy installation.
- External toroidal transformer connection enables flexible sensing placement.
- Fixed tripping set point and time for consistent, repeatable performance.
- Broad 24–48 VAC/DC supply range suits mixed-voltage panels.
- High mechanical life of 50,000,000 cycles for durability.
- Operates from −10 to +60 °C to suit varied environments.
Technical Specification
- Product type designation: RM1
- Terminal tightening torque (max): 0.5 Nm
- Mechanical life: 50000000 cycles
- Operating temperature: -10 to +60 °C
- Storage temperature: -20 to +80 °C
- Weight: 175 g
What’s Included
- Lovato RM148 earth leakage relay unit
- User instructions
- Protective packaging
Applications
- Industrial control panels and distribution boards
- OEM machinery and equipment protection
- Commercial building services and plant rooms
- Process control and automation cabinets
Frequently Asked Questions
What supply voltage does the RM148 require?
The RM148 operates on 24–48 VAC/DC, offering flexibility across panel designs.
Is the tripping set point adjustable on the RM148?
No. It has one operating threshold with a fixed tripping set point and time.
Does the RM148 mount on standard DIN rail?
Yes. It is designed for modular 35 mm DIN (IEC/EN60715) rail mounting.
What residual operation characteristic does it use?
It is Type A, aligning with earth leakage protection requirements.
What standards does the RM148 conform to?
It conforms to IEC/EN 60947-2.
Safety note: Install and commission only by qualified personnel. Isolate power before wiring, select a compatible external toroidal transformer, and tighten terminals to the specified maximum torque of 0.5 Nm in accordance with IEC/EN 60947-2 and site procedures.
| Manufacturer Part Number | RM148 |
|---|---|
| Manufacturer | Lovato |
| HS Code | 85389091 |
| Barcode | 8013975111079 |
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