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LRD04

Schneider
Part Number LRD04
Manufacturer Schneider
Description 3-pole Thermal Overload Relays
Published Oct 14, 2014
Detailed Description www.schneider-electric.com LRD 01...35 3-pole Thermal Overload Relays Use in Explosive Atmospheres e 0080 II (2) GD -...
Datasheet PDF File LRD04 PDF File

LRD04
LRD04

Overview
www.
schneider-electric.
com LRD 01.
.
.
35 3-pole Thermal Overload Relays Use in Explosive Atmospheres e 0080 II (2) GD - Zones 1 - 2, 21 - 22 EC type examination certificate: INERIS 06ATEX0036X Description LRD01 to LRD35 3-pole thermal overload relays are designed to protect a.
c.
circuits and motors against overloads, phase failure, long starting times and prolonged stalling of the motor.
1 Adjustment dial Ir.
2 Test button.
Operation of the Test button allows: - checking of control circuit wiring, - simulation of relay tripping (actuates both the N/O and N/C contacts).
3 Stop button.
Actuates the N/C contact; does not affect the N/O contact.
4 Reset button.
5 Trip indicator.
6 Setting locked by sealing the cover.
7 Selector for manual or automatic reset.
Relays LRD 01 to 35 are supplied with the selector in the manual position, protected by a cover.
Deliberate action is required to move it to the automatic position.
526212 LRD 21pp DB110937 Environment Conforming to standards Product certifications Degree of protection Protective treatment Ambient air temperature around the device IEC 60947-1, IEC 60947-4-1, NF C 63-650 VDE 0660, BS 4941 CSA, UL, Sichere Trennung, ATEX except LAD 4: UL, CSA.
Protection against direct finger contact IP 2X “TH” - 60…+ 70 - 20…+ 60 Operating positions without derating Shock resistance Vibration resistance Dielectric strength at 50 Hz Surge withstand Conforming to VDE 0106 Conforming to IEC 60068 Storage Normal operation, without derating (IEC 60947-4-1) Minimum and maximum operating temperatures (with derating) In relation to normal vertical mounting plane Permissible acceleration conforming to IEC 60068-2-7 Permissible acceleration conforming to IEC 60068-2-6 Conforming to IEC 60255-5 Conforming to IEC 60801-5 °C °C °C - 40…+ 70 Any position 15 gn - 11 ms 6 gn kV kV 6 6 Electrical characteristics of power circuit Relay type Tripping class Conforming to UL 508, IEC 60947-4-1 Rated insulation voltage (Ui) Conforming to IEC 6...


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