Buy O/L relay 1 maker, 1 breaker Siemens 3RB3143-4UW1 1 pc(s)

A Siemens electromechanical control unit, Sirius model. Rectangular housing with connections and operating elements on the front panel.

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An open electrical cabinet reveals multiple shelves packed with electrical components and wiring, neatly arranged.

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Circuit diagram with labels: 'TEST', 'RESET', terminals '95 NC', '96 NC', '97 NO', '98 NO', 'A3-', 'A4+', showing relay connections.

Technical drawing of an electrical device showing front, side, and top views. Includes specific dimensional specifications and construction details.

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Datasheet (PDF)

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Technical specifications

Mounting type: stand-alone installation
Contact protection against electrical shock: Finger-safe
Number of pins: 3
Tripping class: CLASS 5E, 10E, 20E and 30E adjustable

Type: 3RB3143-4UW1

Type: S3

Operating voltage: 1000 V AC

Contact type: 1 maker
1 breaker

Connection: Ring-type transformer

: IP20

Min. temperature: -25 °C

Max. temperature: +60 °C

Width: 70 mm

Height: 106 mm

Dim: (L x W x H) 124 x 70 x 106 mm

Content: 1 pc(s)

Length: 124 mm

Nominal current: 50 A

AWG max.: 14

AWG (min.): 20

: Separate positioning

: 1

: 1

: 0

: Adjustable

: Through-feed current converter

Product type: O/L relay

Documents & Downloads

Datasheet

Datasheet 1704704 O/L relay 1 maker, 1 breaker Siemens 3RB3143-4UW1 1 pc(s)

User & Safety Instructions

User & Safety Instructions 1704704 O/L relay 1 maker, 1 breaker Siemens 3RB3143-4UW1 1 pc(s)

Description

Overload relay 32...115 A for motor protection Size S3, Class 20E Contactor mounting Main circuit: Screw Auxiliary circuit: Spring-type terminal Manual-Automatic-Reset