EasyPact TVS thermal overload relay LRE21 12...18A

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Model: 004.030.077

Manufacturer: Schneider Electric

Barcode: 3606480329807

EasyPact TVS thermal overload relay LRE21 with possible I_max calibration 12...18A and class 10A is designed to protect AC circuits and motors against:

overloads
phase failure
long starting time
prolonged stalled rotor condition

The thermal relay controls permanently the current driven by the motor. When this current exceeds the setting it's auxiliary contacts will change state, causing the motor to stop.

☎ Price by call

Specification

Power circuit characteristics
Tripping class	10A (standard IEC 60947-4-1 specifies a tripping time for 7.2 times the setting current I_r: class 10 A: between 2 and 10 seconds)
Rated insulation voltage	690V
Rated impulse withstand voltage (U_imp)	6kV
Frequency limits of the operating current	50...60Hz
Setting range	12...18A
Fuses to be used with relay	aM - 20A gG - 35A
Compatible with contactor	LC1E18 LC1E25 LC1E32 LC1E38
Power circuit connections
Flexible cable without cable end	1,5...6mm²
Flexible cable with cable end	1...4mm²
Solid cable without cable end	1...6mm²
Tightening torque	1,7N·m
Auxiliary contact characteristics
Conventional thermal current	5A
Max sealed consumption of the operating coils of controlled contactors	3,27A/110VAC
Protection against short-circuits by gG or by GB2	5A
Connection by screw clamp terminals	2х1...2,5mm² - flexible cable without cable end 2х1...2,5mm² - flexible cable with cable end 2х1...2,5mm² - solid cable without cable end
Tightening torque	1,7N·m
Environment
Degree of protection	IP20
Protective treatment	"TH"
Storage temperature	-60°C...+80°C
Normal operation temperature without derating	-20°C...+60°C
Operation temperature with derating	-20°C...+70°C
Operating position	any
Flame resistance	850°C
Shock resistance	6gn - 11ms
Vibration resistance	3gn
Dielectric strength at 50Hz	6kV
Operating characteristics
Temperature compensation	-20°C...+60°C
Tripping threshold	1,14±0,06 I_r A
Sensitivity to phase failure	tripping current 130% of I_r on two phase, the last one at 0

Electrical diagram

Auxiliaries and accessories for LRE21

LAEB1

EasyPact TVS thermal overload relays
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