We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

Siemens Overload Relay: Electronic Protection, 2 Poles, 1NO/1NC - IEC Electronic Overload Relays
SiemensIEC Electronic Overload Relays

Siemens Overload Relay: Electronic Protection, 2 Poles, 1NO/1NC

The SIEMENS Overload Relay is an IEC electronic protection device with 2 poles and a 1NO/1NC auxiliary contact form, housed in Frame Size A1. It features a maximum voltage rating of 690V AC and screw terminals, and…

SKU 3G-OTH-44750

Brand
Siemens
Item
Overload Relay: Electronic Protection, 2 Poles, 1NO/1NC
Category
IEC Electronic Overload Relays
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

Siemens
Manufacturer Part Number
3UB88234DW2
Frame Size
A1
Compatible Contactors
Frame Size A1
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

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS Overload Relay is an IEC electronic protection device with 2 poles and a 1NO/1NC auxiliary contact form, housed in Frame Size A1. It features a maximum voltage rating of 690V AC and screw terminals, and is compatible with Frame Size A1 contactors from the Class 48 Overload Relays series. Thermal units are not applicable to this electronic type overload relay.

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

Frequently Asked Questions

What is the SIEMENS 3UB88234DW2 overload relay used for?

The SIEMENS 3UB88234DW2 is an IEC electronic overload relay that protects motors from overcurrent and phase loss. It is used in industrial control panels and machinery where precise, adjustable protection is needed, and it integrates with Frame Size A1 contactors from the Class 48 series.

What are the specifications of the SIEMENS 3UB88234DW2 overload relay?

This SIEMENS overload relay has 2 poles, a 1NO/1NC auxiliary contact form, and a maximum voltage rating of 690V AC. It uses screw terminals, fits Frame Size A1, and is compatible with Class 48 Overload Relays contactors. Thermal units are not required as it is an electronic type.

Where to buy the SIEMENS 3UB88234DW2 overload relay worldwide?

3G Electric supplies the SIEMENS 3UB88234DW2 overload relay worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this electronic protection device.

How to select the correct SIEMENS overload relay for a motor?

To select the correct SIEMENS overload relay, match the frame size (A1) to your contactor and verify the motor full-load current falls within the relay's adjustment range. For electronic types like the 3UB88234DW2, ensure the supply voltage and auxiliary contact configuration (1NO/1NC) meet your control circuit requirements.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
SIEMENS Overload Relay: Electronic Protection, 2 Poles, 1NO/1NC, Frame Size A (MPN 3UB88134BB2)
Siemens
SIEMENS Overload Relay: Electronic Protection, 2 Poles, 1NO/1NC, Frame Size A (MPN 3UB88134BB2)
SIEMENS Overload Relay: Electronic Protection, 2 Poles, 1NO/1NC, Frame Size A1, 3 A – 12 A (MPN 3UB88234CW2)
Siemens
SIEMENS Overload Relay: Electronic Protection, 2 Poles, 1NO/1NC, Frame Size A1, 3 A – 12 A (MPN 3UB88234CW2)
SIEMENS Overload Relay: Electronic Protection, 2 Poles, 1NO/1NC, Frame Size A, 0.25 A – 1 A (MPN 3UB88134AB2)
Siemens
SIEMENS Overload Relay: Electronic Protection, 2 Poles, 1NO/1NC, Frame Size A, 0.25 A – 1 A (MPN 3UB88134AB2)
SIEMENS Overload Relay: Electronic Protection, 3 Poles, 1NO/1NC, Frame Size A1 (MPN 3UB81234CW2)
Siemens
SIEMENS Overload Relay: Electronic Protection, 3 Poles, 1NO/1NC, Frame Size A1 (MPN 3UB81234CW2)
SIEMENS Overload Relay: Electronic Protection, 3 Poles, 1NO/1NC, Frame Size A1, 10 A – 40 A (MPN 3UB81234EW2)
Siemens
SIEMENS Overload Relay: Electronic Protection, 3 Poles, 1NO/1NC, Frame Size A1, 10 A – 40 A (MPN 3UB81234EW2)
SIEMENS Overload Relay: Electronic Protection, 3 Poles, 1NO/1NC, Frame Size A (MPN 3UB81134AB2)
Siemens
SIEMENS Overload Relay: Electronic Protection, 3 Poles, 1NO/1NC, Frame Size A (MPN 3UB81134AB2)

More from Siemens

View all Siemens parts
IEC electronic overload relay for motor protection, rated 50 A to 200 A at 1000V AC. Frame size S6 with screw terminals and 1NO/1NC auxiliary contacts. Compatible with SIRIUS contactors of same frame size. No thermal units required; electronic type provides overcurrent and phase imbalance protection in industrial motor control applications
Siemens
IEC electronic overload relay for motor protection, rated 50 A to 200 A at 1000V AC. Frame size S6 with screw terminals and 1NO/1NC auxiliary contacts. Compatible with SIRIUS contactors of same frame size. No thermal units required; electronic type provides overcurrent and phase imbalance protection in industrial motor control applications
IEC electronic overload relay for motor protection. Three-pole unit with screw terminals, rated 3 A to 12 A, 690V AC maximum. Frame size S0 with 1NO/1NC auxiliary contacts. Suitable for use with SIRIUS contactors of same frame size in industrial motor control applications
Siemens
IEC electronic overload relay for motor protection. Three-pole unit with screw terminals, rated 3 A to 12 A, 690V AC maximum. Frame size S0 with 1NO/1NC auxiliary contacts. Suitable for use with SIRIUS contactors of same frame size in industrial motor control applications
IEC electronic overload relay for three-phase motor protection against overcurrent and phase loss. Three poles, frame size A1, current range 5.5 A to 22 A. Auxiliary contact form 1NO/1NC, maximum voltage rating 690V AC, screw terminals. Compatible with Class 14 Starters and frame size A1 contactors. No thermal units required
Siemens
IEC electronic overload relay for three-phase motor protection against overcurrent and phase loss. Three poles, frame size A1, current range 5.5 A to 22 A. Auxiliary contact form 1NO/1NC, maximum voltage rating 690V AC, screw terminals. Compatible with Class 14 Starters and frame size A1 contactors. No thermal units required
IEC electronic overload relay for motor protection in industrial automation. Three poles, frame size S00, with 1 normally open and 1 normally closed auxiliary contact. Rated for 690V AC, screw terminal connection. Compatible with SIRIUS contactors of frame size S00; no thermal units required
Siemens
IEC electronic overload relay for motor protection in industrial automation. Three poles, frame size S00, with 1 normally open and 1 normally closed auxiliary contact. Rated for 690V AC, screw terminal connection. Compatible with SIRIUS contactors of frame size S00; no thermal units required
IEC electronic overload relay for motor protection against overcurrent. Three-pole design with 1 normally open and 1 normally closed auxiliary contact. Rated for 690V AC, with screw terminals. Compatible with SIRIUS contactors of frame size S2. No thermal units required; no phase loss sensitivity
Siemens
IEC electronic overload relay for motor protection against overcurrent. Three-pole design with 1 normally open and 1 normally closed auxiliary contact. Rated for 690V AC, with screw terminals. Compatible with SIRIUS contactors of frame size S2. No thermal units required; no phase loss sensitivity
IEC electronic overload relay for motor protection in industrial automation. Rated 4 A to 16 A, 690 V AC, with 3 poles and 1NO/1NC auxiliary contacts. Frame size S00 with screw terminals, compatible with SIRIUS S00 contactors. No thermal units required; electronic type provides adjustable overload protection
Siemens
IEC electronic overload relay for motor protection in industrial automation. Rated 4 A to 16 A, 690 V AC, with 3 poles and 1NO/1NC auxiliary contacts. Frame size S00 with screw terminals, compatible with SIRIUS S00 contactors. No thermal units required; electronic type provides adjustable overload protection
IEC electronic overload relay with 3 poles, providing motor protection against overcurrent and phase loss. Features 1 normally open and 1 normally closed auxiliary contact, rated for 690V AC. Designed for Frame Size B contactors and Class 48 overload relays, with screw terminal connections. No thermal units required
Siemens
IEC electronic overload relay with 3 poles, providing motor protection against overcurrent and phase loss. Features 1 normally open and 1 normally closed auxiliary contact, rated for 690V AC. Designed for Frame Size B contactors and Class 48 overload relays, with screw terminal connections. No thermal units required
IEC electronic overload relay for motor protection in industrial control panels. Three-pole design with adjustable current range 0.1 A to 0.4 A, auxiliary contact form 1NO/1NC, and screw terminals. Rated for 690V AC, frame size S0, compatible with SIRIUS contactors of same frame size. No phase loss sensitivity; thermal units not required
Siemens
IEC electronic overload relay for motor protection in industrial control panels. Three-pole design with adjustable current range 0.1 A to 0.4 A, auxiliary contact form 1NO/1NC, and screw terminals. Rated for 690V AC, frame size S0, compatible with SIRIUS contactors of same frame size. No phase loss sensitivity; thermal units not required