BRAH Electric
 
Siemens 3TY7503-0AC2 replacement Magnetic Coil – BRAH B3TY7503-0AC2
B3TY7503-0AC2 Magnetic Coil – view 1 of 3B3TY7503-0AC2 Magnetic Coil – view 2 of 3B3TY7503-0AC2 Magnetic Coil – view 3 of 3

Siemens 3TY7503-0AC2 Replacement Magnetic Coil

BRAH B3TY7503-0AC2 replaces the Siemens 3TY7503-0AC2 magnetic coil: 24VAC, 50/60Hz, for 110A - 140A contactors. Part of the World Series family. Covered by a BRAH Electric 2-year warranty; in-stock orders placed before 3:00 PM Pacific ship the same business day.

Factory New
Drop-in fit
Matches OEM Specs
In Stock
$85.40USD
1
2-Year Warranty included
(855) 355-2724Average waiting time: 1 min

Product Specifications

DatasheetCAD Doc (STEP)

3TY7503-0AC2, 24VAC 50/60Hz, magnetic control coil, type 3TY7, suitable for use with Siemens World Series 3TF50 and 3TF51 contactors and motor starters, assembled unit includes control wiring terminals, direct substitute for Siemens OEM 3TY7503-0AC2.

BRAH part: B3TY7503-0AC2. Also replaces: SF5024V

B3TY7503-0AC2 specifications
BRAH Part NumberB3TY7503-0AC2
Replacement for OEM Part #3TY7503-0AC2, SF5024V
Replacement for OEM MfrSiemens
FamilyWorld Series
Type3TY7, B3TY7
Coil Voltage(s)24VAC
Frequency (Hz)50/60Hz
Amperage Contactor110A - 140A

Frequently Asked Questions

Is this a direct drop-in replacement?
Yes. All BRAH Electric products are engineered as 1:1 direct replacements for the corresponding OEM part. No modifications, adapters, or special wiring are required for installation.*
*Exceptions may apply.
What warranty is included?
Every BRAH product ships with a 2-year warranty from the date of invoice. We guarantee proper function without defects according to provided specifications. Contact Kits carry a 6-month warranty.
Do you offer volume or bulk pricing?
Yes. If you are purchasing 10 or more units, or plan to buy regularly, you may qualify for our volume or reseller pricing program. Click on the product page or call us at (855) 355-2724.
What is your return policy?
Returns must be approved by a BRAH Electric representative with an RMA number. Returns within 30 days of shipment are subject to a restocking charge of 25–50%. Items are non-refundable after 30 days. Contact our support team to request an RMA. If you are unsure about product fit, call us at (855) 355-2724. See our Policies page for full details.
How fast will my order ship?
In-stock items ordered before 3:00 PM (Pacific) ship the same business day. You can see the live shipping countdown timer on the product page. Most domestic orders arrive within 2–5 business days.
Is this compatible with my Siemens motor control equipment?
Yes. This BRAH replacement is engineered for direct compatibility with Siemens motor control equipment and follows the same mounting and electrical specifications as the original part.
What OEM part numbers does B3TY7503-0AC2 replace?
B3TY7503-0AC2 is a direct replacement for 3TY7503-0AC2, SF5024V. No modifications or adapters are required—it installs like the original.
Is B3TY7503-0AC2 a drop-in replacement for 3TY7503-0AC2, SF5024V?
Yes. B3TY7503-0AC2 is a 1:1 drop-in replacement for 3TY7503-0AC2, SF5024V in Siemens applications. Same mounting and wiring.

Why purchase from BRAH Electric?

The new leader in aftermarket electrical parts. Trusted by more than 10k customers. Parts are tested at BRAH Electric's Carlsbad, California facility.

Rated 5.0 from 33 Google reviews (as of October 2026). Read our reviews on Google

Factory New
Drop-in fit
Matches OEM Specs
Ships Worldwide
2-Year Warranty included

Related Products

BRAH B3TY7403-0AK6 Magnetic Coil – replaces Siemens 3TY7403-0AK6
B3TY7403-0AK6
Substitute for Siemens 3TY7403-0AK6, SF40120V
View Product
Coil Voltage120VAC
Frequency60Hz
Amperage Contactor9A - 16A
FamilyWorld Series
BRAH B3TY7403-0AM1 Magnetic Coil – replaces Siemens 3TY7403-0AM1
B3TY7403-0AM1
Substitute for Siemens 3TY7403-0AM1, SF40208V
View Product
Coil Voltage208VAC
Frequency60Hz
Amperage Contactor9A - 16A
FamilyWorld Series
BRAH B3TY7403-0AP6 Magnetic Coil – replaces Siemens 3TY7403-0AP6
B3TY7403-0AP6
Substitute for Siemens 3TY7403-0AP6, SF40240V
View Product
Coil Voltage240VAC
Frequency60Hz
Amperage Contactor9A - 16A
FamilyWorld Series
BRAH B3TY7443-0AC2 Magnetic Coil – replaces Siemens 3TY7443-0AC2
B3TY7443-0AC2
Substitute for Siemens 3TY7443-0AC2, SF4424V
View Product
Coil Voltage24VAC
Frequency50/60Hz
Amperage Contactor32A - 38A
FamilyWorld Series

More Siemens World Series replacement parts

View all Siemens 3TY7 replacement partsView all Siemens World Series replacement parts