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Specification & Description
| Specification | Description |
|---|---|
| Part Number | LRD32 |
| Manufacturer | Schneider |
| Product Type | Thermal Overload Relay |
| Mounting Type | DIN Rail Mount |
| Width | 45 mm |
| Depth | 70 mm |
| Network Type | AC/DC |
| Thermal Overload Class | Class 10A conforming to IEC 60947-4-1 |
| Thermal Protection Range | 23 to 32 A |
| Rated Insulation Voltage | 690 V ac |
| Network Frequency | 0 to 400 Hz |
| Auxiliary Contact Composition | 1 Normally Open (NO) + 1 Normally Closed (NC) |
| Operational Voltage | 690 V ac 0 to 400 Hz for power circuit conforming to IEC 60947-4-1 |
| Tightening Torque | Control circuit: 1.7 N.m - on screw clamp terminals, Power circuit: 2.5 N.m - on screw clamp terminals |
| Height | 66 mm |
| Net Weight | 0.124 kg |
| IP Degree of Protection | IP20 conforming to IEC 60529 |
| Ambient Operating Temperature | -20 to 60 °C without derating conforming to IEC 60947-4-1 |
| Ambient Storage Temperature | -60 to 70 °C |
| Flame Retardance | V1 conforming to UL 94 |
| Mechanical Robustness | Vibrations: 6 Gn conforming to IEC 60068-2-6, Shocks: 15 Gn for 11 ms conforming to IEC 60068-2-7 |
| Dielectric Strength | 1.89 kV at 50 Hz conforming to IEC 60947-1 |
| Standards | EN/IEC 60947-4-1, EN/IEC 60947-5-1, UL 60947-4-1, UL 60947-5-1, CSA C22.2 No 60947-4-1, CSA C22.2 No 60947-5-1 |
| Product Certifications | IEC, UL, CSA, CCC, EAC, BV, RINA, DNV-GL, LROS, ATEX INERIS, UKCA |
| Sustainable Offer Status | Green Premium product |
| REACh Regulation | REACh Declaration |
| EU RoHS Directive | Compliant with Exemptions |
| Mercury Free | Yes |
| China RoHS Regulation | China RoHS Declaration |
| Environmental Disclosure | Product Environmental Profile |
The Schneider LRD32 is a high-quality thermal overload relay designed to provide reliable motor protection. With a thermal protection adjustment range of 23 to 32 A, it is suitable for a wide range of applications. This device is equipped with a red stop push-button and a blue reset push-button for easy control. It also features screw clamp terminals for secure connections. The LRD32 is designed for DIN Rail mounting and has a compact size of 45 mm in width and 70 mm in depth. It operates efficiently in a temperature range of -20 to 60°C, making it suitable for various environments. This thermal overload relay is a Green Premium product, reflecting its compliance with environmental standards. It's a perfect choice for those seeking a robust and efficient solution for motor protection.
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Frequently Asked Questions
What is the main application of this thermal overload relay?
The LRD32 thermal overload relay is primarily used for motor protection. It's designed to protect motors from overheating by monitoring the current flow and disconnecting the power when the current exceeds a preset level.
What is the thermal protection adjustment range of this relay?
The thermal protection adjustment range of the LRD32 is 23 to 32 Amps. This means it can be set to trip at any current level within this range.
What type of mounting support does this relay offer?
The LRD32 relay offers versatile mounting options. It can be mounted on a plate with specific accessories, on a rail with specific accessories, or under a contactor.
What is the rated insulation voltage of this relay?
The LRD32 has a rated insulation voltage of 690 V AC according to IEC 60947-4-1. This is the maximum voltage the relay can withstand without risk of electrical breakdown.
What is the network frequency range of this relay?
The LRD32 can operate within a network frequency range of 0 to 400 Hz. This makes it suitable for use in a wide range of power systems.
What is the auxiliary contact composition of this relay?
The LRD32 relay has an auxiliary contact composition of 1 Normally Open (NO) + 1 Normally Closed (NC). This allows for flexible control and signalling options.
What is the tripping threshold of this relay?
The LRD32 has a tripping threshold of 1.14 +/- 0.06 Ir according to IEC 60947-4-1. This means it will trip when the current reaches 114% to 106% of the set level.
What is the phase failure sensitivity of this relay?
The LRD32 relay has a phase failure sensitivity feature. It will trip when the current reaches 130% of Ir on two phases, with the last one at 0.
What is the temperature compensation range of this relay?
The LRD32 relay offers temperature compensation from -20 to 60 degrees Celsius. This means it can operate reliably within this temperature range without derating.
What are the tightening torque specifications for this relay?
The control circuit of the LRD32 requires a tightening torque of 1.7 N.m on screw clamp terminals, while the power circuit requires 2.5 N.m on screw clamp terminals.
