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Schneider Electric LRD Thermal Overload Relay 1NO + 1NC, 12 → 18 A F.L.C, 18 A Contact Rating, 3P, TeSys
- RS Stock No.:
- 394-9330
- Distrelec Article No.:
- 136-22-712
- Mfr. Part No.:
- LRD21
- Brand:
- Schneider Electric
Subtotal (1 unit)*
£60.95
(exc. VAT)
£73.14
(inc. VAT)
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In Stock
- Plus 92 unit(s) shipping from 03 November 2025
- Plus 20 unit(s) shipping from 03 November 2025
- Plus 248 unit(s) shipping from 14 November 2025
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Units | Per unit |
|---|---|
| 1 + | £60.95 |
*price indicative
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- RS Stock No.:
- 394-9330
- Distrelec Article No.:
- 136-22-712
- Mfr. Part No.:
- LRD21
- Brand:
- Schneider Electric
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Schneider Electric | |
| FLC Motor Rating | 12 → 18 A | |
| Contact Current Rating | 18 A | |
| Range | TeSys | |
| Pole Configuration | 3P | |
| Series | LRD | |
| Mounting Style | Direct Contactor | |
| Normal State Configuration | 1NO + 1NC | |
| Terminal Type | Screw | |
| Reset Method | Automatic, Manual | |
| Number Of Auxiliary Contacts | 2 | |
| Width | 45mm | |
| Depth | 70mm | |
| Length | 66mm | |
| Minimum Operating Temperature | -20°C | |
| Maximum Operating Temperature | +60°C | |
| Better World Product | Yes | |
| Better World Verification | Green Premium | |
| Operating Temperature Range | -20 → +60 °C | |
| Supply Voltage | 690 V ac | |
| Contact Voltage Rating | 690 V ac | |
Select all | ||
|---|---|---|
Brand Schneider Electric | ||
FLC Motor Rating 12 → 18 A | ||
Contact Current Rating 18 A | ||
Range TeSys | ||
Pole Configuration 3P | ||
Series LRD | ||
Mounting Style Direct Contactor | ||
Normal State Configuration 1NO + 1NC | ||
Terminal Type Screw | ||
Reset Method Automatic, Manual | ||
Number Of Auxiliary Contacts 2 | ||
Width 45mm | ||
Depth 70mm | ||
Length 66mm | ||
Minimum Operating Temperature -20°C | ||
Maximum Operating Temperature +60°C | ||
Better World Product Yes | ||
Better World Verification Green Premium | ||
Operating Temperature Range -20 → +60 °C | ||
Supply Voltage 690 V ac | ||
Contact Voltage Rating 690 V ac | ||
RoHS Status: Exempt
- COO (Country of Origin):
- FR
Schneider Electric LRD Series Thermal Overload Relay, 12 to 18A FLC Motor Rating, 690V AC Contact Voltage Rating - LRD21
This thermal overload relay is an essential device in electrical systems, designed for the protection of motors. With a current rating of 12 to 18A, it conforms to class 10A standards, ensuring dependable operation across various applications. Compact in design, this model features dimensions of 66mm in height, 45mm in width, and 70mm in depth, making it suitable for tight installation spaces.
Features & Benefits
• Utilises screw terminals for secure connection that enhances reliability
• Automatic and manual reset options for user convenience
• Advanced thermal protection for optimal motor safeguarding
• Compatible with multiple models for versatile use
• Integrated auxiliary contacts streamline operational control
• Capable of operating at temperatures from -20°C to +60°C
• Automatic and manual reset options for user convenience
• Advanced thermal protection for optimal motor safeguarding
• Compatible with multiple models for versatile use
• Integrated auxiliary contacts streamline operational control
• Capable of operating at temperatures from -20°C to +60°C
Applications
• Ideal for use with motor protection systems in industrial settings
• Employed in conjunction with various electric motor models
• Suitable for AC and DC networks, enhancing flexibility in electrical designs
• Used for reliable overload protection in diverse automation
• Employed in conjunction with various electric motor models
• Suitable for AC and DC networks, enhancing flexibility in electrical designs
• Used for reliable overload protection in diverse automation
How do the automatic and manual reset functions work?
The device features a red push-button for stopping and a blue push-button for manual resetting, providing flexible options to restore normal operation after a trip due to overload conditions, ensuring safety and convenience.
What is the significance of the 3-pole configuration in this relay?
The 3-pole configuration allows for effective control of three-phase motors, enabling the unit to balance the load and ensure optimal performance, which is vital for applications in industrial automation.
Can this relay operate in high-demand environments?
Yes, it is rated for a maximum operating temperature of +60°C and designed to endure conditions such as vibrations and shocks, making it suitable for challenging industrial environments.
What kind of signalling circuits can it accommodate?
The device supports various signalling circuit currents, allowing up to 1.5A at 240V AC-15 and 0.1A at 250V DC-13, ensuring compatibility with different signalling systems for efficient motor management.