Siemens Overload Relay: Electronic Protection, 3 Poles, 1NO/1NC, Frame Size B
The SIEMENS Overload Relay: Electronic Protection is an IEC electronic overload relay with a 1NO/1NC auxiliary contact form, a maximum voltage rating of 690V AC, and screw terminals. It is designed for Frame Size B…
SKU 3G-OTH-44968
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- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The SIEMENS Overload Relay: Electronic Protection is an IEC electronic overload relay with a 1NO/1NC auxiliary contact form, a maximum voltage rating of 690V AC, and screw terminals. It is designed for Frame Size B and is compatible with Class 14 Starters and Frame Size B contactors. Thermal units are not applicable to this electronic type overload relay.
Frequently Asked Questions
What is the SIEMENS 3UB81334FW2 overload relay used for?
The SIEMENS 3UB81334FW2 is an IEC electronic overload relay that protects motors from overcurrent and phase loss. It is used in industrial motor control applications with Class 14 starters and Frame Size B contactors, providing reliable protection for pumps, conveyors, and other rotating equipment.
What are the specifications of the SIEMENS 3UB81334FW2 overload relay?
The SIEMENS 3UB81334FW2 is a 3-pole electronic overload relay with a 1NO/1NC auxiliary contact form, screw terminals, and a maximum voltage rating of 690V AC. It covers a current range of 13 A to 52 A and is designed for Frame Size B contactors. Thermal units are not required.
Where to buy the SIEMENS 3UB81334FW2 overload relay worldwide?
3G Electric supplies the SIEMENS 3UB81334FW2 overload relay to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source genuine Siemens components and support your procurement from order to arrival.
How to select the correct SIEMENS overload relay for a motor?
To select the correct SIEMENS overload relay, match the relay's current range (e.g., 13 A – 52 A for the 3UB81334FW2) to the motor's full-load amperage. Ensure the frame size (B) and auxiliary contact configuration (1NO/1NC) are compatible with your contactor. Always verify voltage rating (690V AC) and application environment.
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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.
