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

3G Electric
Siemens 3RB21534FW2 IEC Electronic Overload Relay - IEC Electronic Overload Relays
SiemensIEC Electronic Overload Relays

Siemens 3RB21534FW2 IEC Electronic Overload Relay

The SIEMENS Overload Relay: Electronic Protection (MPN 3RB21534FW2) is an IEC electronic overload relay with a frame size S6, designed for use with SIRIUS contactors of the same frame size. It features screw…

SKU 3G-OTH-45099

Brand
Siemens
Item
3RB21534FW2 IEC Electronic Overload Relay
Part Number
3RB21534FW2
Category
IEC Electronic Overload Relays
Available to Order
Also known as:3RB21534FW2Siemens
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
3RB21534FW2
Type
1NO/1NC, Frame Size S6, 50 A – 200 A
Poles
3
Frame Size
S6
Compatible Contactors
Frame Size S6
Auxiliary Contact Form
1NO/1NC
Maximum Voltage Rating
1000V AC
Phase Loss Sensitivity
No
Thermal Units Required
Not Applicable to Electronic Type Overload Relays
Terminal Connection Type
Screw Terminals
Compatible Contactor Series
SIRIUS

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: Electronic Protection (MPN 3RB21534FW2) is an IEC electronic overload relay with a frame size S6, designed for use with SIRIUS contactors of the same frame size. It features screw terminals, a 1NO/1NC auxiliary contact form, and a maximum voltage rating of 1000V AC, with a current range of 50 A to 200 A. This electronic type does not require thermal units and has no phase loss sensitivity.

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 3RB21534FW2 overload relay used for?

The SIEMENS 3RB21534FW2 is an IEC electronic overload relay used to protect motors from overcurrent and phase imbalance. It is designed for industrial applications with SIRIUS contactors of frame size S6, providing reliable protection for motors drawing 50 A to 200 A.

What are the specifications of the SIEMENS 3RB21534FW2 overload relay?

The SIEMENS 3RB21534FW2 is an electronic overload relay with frame size S6, rated for 50 A to 200 A and 1000V AC. It has screw terminals, a 1NO/1NC auxiliary contact, and is compatible with SIRIUS contactors. It does not require thermal units and has no phase loss sensitivity.

Where to buy the SIEMENS 3RB21534FW2 overload relay worldwide?

You can source the SIEMENS 3RB21534FW2 overload relay from 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead times.

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

To select the correct SIEMENS overload relay, match the frame size to your contactor (e.g., S6 for SIRIUS) and ensure the current range covers your motor's full-load amps. For the 3RB21534FW2, set the dial between 50 A and 200 A. Electronic types like this do not need thermal units.

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
Not sure this is the right part? Photo-identify it

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

More from Siemens

View all Siemens parts

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first