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Siemens Overload Relay: Electronic Protection, 3 Poles, 1NO/1NC - IEC Electronic Overload Relays

SiemensIEC Electronic Overload Relays

Siemens Overload Relay: Electronic Protection, 3 Poles, 1NO/1NC

The SIEMENS Overload Relay is an IEC electronic overload relay with 3 poles and a 1NO/1NC auxiliary contact form. It features a maximum voltage rating of 690V AC, screw terminals, and is compatible with Frame Size A…

SKU 3G-OTH-44340

Brand

Siemens

Item

Overload Relay: Electronic Protection, 3 Poles, 1NO/1NC

Category

IEC Electronic Overload Relays

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Technical Specifications

Siemens

Manufacturer Part Number

3UB81134AB2 

Frame Size

A

Compatible Contactors

Frame Size A 

Auxiliary Contact Form

1NO/1NC 

Maximum Voltage Rating

690V AC 

Thermal Units Required

Not Applicable to Electronic Type Overload Relays 

Terminal Connection Type

Screw Terminals 

Compatible Contactor Series

Class 48 Overload Relays 

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Siemens Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS Overload Relay is an IEC electronic overload relay with 3 poles and a 1NO/1NC auxiliary contact form. It features a maximum voltage rating of 690V AC, screw terminals, and is compatible with Frame Size A contactors and Class 48 Overload Relays. Thermal units are not applicable to this electronic type.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Used in

Common applications for Siemens

District cooling plants — LME73 + RWF55 for condenser-water modulation

Inflight catering and food-processing steam boilers — LMG22 with SQN90 air-fuel cross-damper

Hospital steam-plant redundancy — LME41 with QRA2 UV flame detection for dual-fuel boilers

Semiconductor fab process heat — LME23 and SKP55 gas valves on hot-oil heater skids

Container-terminal reefer-deck heating — LMG22 retrofit onto legacy burner racks

Siemens Products

3G Electric supplies Siemens iec electronic overload relays. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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SIEMENS Overload Relay: Electronic Protection, 3 Poles, 1NO/1NC, Frame Size A, 0.75 A – 3.4 A (MPN 3UB81134BB2). Key specifications — Brand: SIEMENS; Auxiliary Contact Form: 1NO/1NC; Compatible Contactor Series: Class 48 Overload Relays; Terminal Connection Type: Screw Terminals; Frame Size: A; Maximum Voltage Rating: 690V AC; Thermal Units Required: Not Applicable to Electronic Type Overload Relays; Compatible Contactors: Frame Size A.

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SIEMENS Overload Relay: Electronic Protection, 3 Poles, 1NO/1NC, Frame Size B (MPN 3UB81334HW2). Key specifications — Brand: SIEMENS; Auxiliary Contact Form: 1NO/1NC; Compatible Contactor Series: Class 48 Overload Relays; Terminal Connection Type: Screw Terminals; Frame Size: B; Maximum Voltage Rating: 690V AC; Thermal Units Required: Not Applicable to Electronic Type Overload Relays; Compatible Contactors: Frame Size B.

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SIEMENS Overload Relay: Electronic Protection, 2 Poles, 1NO/1NC, Frame Size A (MPN 3UB88134BB2). Key specifications — Brand: SIEMENS; Auxiliary Contact Form: 1NO/1NC; Compatible Contactor Series: Class 48 Overload Relays; Terminal Connection Type: Screw Terminals; Frame Size: A; Maximum Voltage Rating: 690V AC; Thermal Units Required: Not Applicable to Electronic Type Overload Relays; Compatible Contactors: Frame Size A.

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