LRD3355
Schneider Electric LRD3355 TeSys Deca thermal overload relay 30-40A Class 10A. The Schneider Electric LRD3355 is a robust TeSys Deca thermal overload relay engineered for reliable motor protection against sustained overload conditions. Part of the renowned TeSys series, this essential component offers a thermal protection adjustment range of 30 to 40 A, ensuring precise safeguarding for various motor sizes. It features a Class 10A tripping characteristic, compliant with IEC 60947-4-1, making it suitable for standard motor starting applications. Compatible with both AC and DC network types and operating across a wide frequency range of 0-400 Hz, the LRD3355 provides versatile integration into diverse electrical systems. Key features include 1 NO + 1 NC auxiliary contacts for signalling, an IP20 degree of protection, and an operational temperature range of -20 to 60 °C. Designed for compatibility with LC1D80 and LC1D95 contactors, it offers flexible mounting options including plate, rail, or under contactor. The LRD3355 is an ideal choice for critical applications in Egyptian and Gulf industries such as cement, oil and gas, water treatment, food and beverage, textiles, and building services, where dependable motor protection is paramount.
Details
- Brand: Schneider Electric
- Part number: LRD3355
- Series: TeSys
- Category: Thermal Overload Relay
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Specifications
- Depth
- 115 Mm
- Width
- 70 Mm
- Height
- 81 Mm
- Net weight
- 0.51 Kg
- Control type
- Red push-button: stop; Blue push-button: reset
- Network type
- DC, AC
- Mounting support
- Plate, with specific accessories; Rail, with specific accessories; Under contactor
- Network frequency
- 0...400 Hz
- Product compatibility
- LC1D80, LC1D95
- Thermal overload class
- Class 10A conforming to IEC 60947-4-1
- IP degree of protection
- IP20 conforming to IEC 60529
- Manufacturer part number
- LRD3355
- Connections - Power circuit
- screw clamp terminals 1 cable(s) 4…35 mm²
- Auxiliary contact composition
- 1 NO + 1 NC
- Connections - Control circuit
- screw clamp terminals 2 cable(s) 1…2.5 mm²
- Thermal protection adjustment range
- 30…40 A
- Ambient air temperature for operation
- -20…60 °C without derating conforming to IEC 60947-4-1
- [Ui] rated insulation voltage Power circuit
- 1000 V conforming to IEC 60947-4-1
- [Ue] rated operational voltage power circuit
- 1000 V AC 0...400 Hz conforming to IEC 60947-4-1