Siemens Overload Relay: Electronic Protection, 3 Poles, 1NO/1NC, Frame Size A
The SIEMENS Overload Relay: Electronic Protection (MPN 3UB81134BB2) is an IEC electronic overload relay with three poles, a Frame Size A, and a current range of 0.75 A – 3.4 A. It features a 1NO/1NC auxiliary contact…
SKU 3G-OTH-45194
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
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Product Description
The SIEMENS Overload Relay: Electronic Protection (MPN 3UB81134BB2) is an IEC electronic overload relay with three poles, a Frame Size A, and a current range of 0.75 A – 3.4 A. It features a 1NO/1NC auxiliary contact form, screw terminals, and a maximum voltage rating of 690V AC. This relay is compatible with Frame Size A contactors and Class 48 Overload Relays, and 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.
Frequently Asked Questions
What is the SIEMENS 3UB81134BB2 overload relay used for?
The SIEMENS 3UB81134BB2 is an IEC electronic overload relay used to protect motors from overload and phase loss. It is suitable for industrial applications requiring three-pole protection with a current range of 0.75 A – 3.4 A and a maximum voltage rating of 690V AC.
What are the specifications of the SIEMENS 3UB81134BB2 overload relay?
The SIEMENS 3UB81134BB2 is an electronic overload relay with 3 poles, Frame Size A, and a current range of 0.75 A – 3.4 A. It has a 1NO/1NC auxiliary contact form, screw terminals, and a maximum voltage rating of 690V AC. It is compatible with Frame Size A contactors and Class 48 Overload Relays.
Where to buy the SIEMENS 3UB81134BB2 overload relay worldwide?
You can source the SIEMENS 3UB81134BB2 overload relay through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.
How to select the correct SIEMENS overload relay for a motor?
To select the correct SIEMENS overload relay, match the relay's current range to the motor's full-load current. For the 3UB81134BB2, the range is 0.75 A – 3.4 A. Ensure the frame size (A) and voltage rating (690V AC) are compatible with your contactor and system. Consult the motor nameplate for precise settings.
Used in
Common applications for SiemensSiemens 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.
