Qingyang3RU5 Thermal Overload Relay

Category:

QingyangRelay

QingyangSIEMENS

Tel: 400-888-8888

Inquiry

Product Description

Applications: Can be used for the protection of three-phase and single-phase AC motors. For the protection of single-phase AC or DC loads, three poles must be used in series.

Ambient temperature: 3RU5156 has temperature compensation in the range of -25ºC to +55ºC. 3RU5166/3RU5176 has temperature compensation in the range of -20ºC to +60ºC.

Tripping rating: Class 10

Tripping characteristic curve: At operating temperature, the tripping time will be reduced by about 25%.

Tripping type: Tripping type

Reset type: Manual and automatic reset, the reset time depends on the tripping current size and characteristics.

Protection rating compliant with IEC60529 standard: IP00 （ open ）， IP20 （with terminal cover）

Finger protection compliant with IEC61140 standard: Finger safety (with terminal cover)

Impact resistance compliant with IEC60068-2-27 standard: 8/10g/ms

Altitude: Up to 2000m

Main Circuit
Rated insulation voltage Ui （Pollution degree 3 ）：1000V

Rated impulse withstand voltage Uimp ：8 KV

Rated operating voltage Ue ：1000V

Current type AC available, frequency up to 400Hz

Safety insulation between main and auxiliary circuits Compliant with IEC60947-1 standard: 1000V

Auxiliary circuit

Number of normally open contacts: 1

Number of normally closed contacts: 1

Auxiliary contact allocation: 1 NO Provides a "tripping" signal, 1 NC Used to disconnect the contactor

Rated insulation voltage Ui （Pollution degree 3 ）：690V

Rated impulse withstand voltage Uimp：8 kV

Safety isolation between main and auxiliary circuits: Safety isolation between main and auxiliary circuits: ≥ 440V

Auxiliary circuit wire cross-sectional area

Screw terminals Connection screws: M3, 2 No. Phillips screwdriver

Tightening torque: 0.8 ... 1.2Nm

Conductor cross-sectional area: 1 or 2 core wires, solid wires 2 ×（ 0.5 ... 1.5 ）mm²， 2 ×（ 0.75 ... 2.5 ）mm² ； Pre-fabricated terminal fine stranded wires 2 ×（ 0.5 ... 1.5 ）mm²， 2 ×（ 0.75 ... 2.5 ）mm²； AWG guide wire, solid or stranded wire 2 ×（ 20 ... 16 ） AWG ，2 ×（ 18 ... 14 ） AWG

Qingyang3RH6 intermediate relay

Qingyang3RU61/3RU51 Thermal Overload Relays

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