Siemens Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC
The SIEMENS Overload Relay is an IEC thermal overload relay with three poles and a 1NO/1NC auxiliary contact form, designed for Frame Size S3. It features integrated bimetallic elements, eliminating the need for…
SKU 3G-OTH-42465
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 is an IEC thermal overload relay with three poles and a 1NO/1NC auxiliary contact form, designed for Frame Size S3. It features integrated bimetallic elements, eliminating the need for separate thermal units, and has a maximum voltage rating of 690V AC. This relay is compatible with SIRIUS contactors of Frame Size S3 and uses screw terminals for connection.
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 3RU21464MB0 overload relay used for?
The SIEMENS 3RU21464MB0 is an IEC thermal overload relay used to protect motors from overcurrent and phase imbalance. It is designed for industrial applications requiring reliable thermal protection, compatible with SIRIUS contactors of Frame Size S3, and features integrated bimetallic elements for direct overload sensing.
What are the specifications of the SIEMENS 3RU21464MB0 overload relay?
The SIEMENS 3RU21464MB0 is a 3-pole thermal overload relay with a 1NO/1NC auxiliary contact form, Frame Size S3, and a maximum voltage rating of 690V AC. It uses screw terminals, has no phase loss sensitivity, and includes integrated bimetallic elements, eliminating the need for separate thermal units. It is compatible with SIRIUS contactors of Frame Size S3.
Where to buy the SIEMENS 3RU21464MB0 overload relay worldwide?
You can source the SIEMENS 3RU21464MB0 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 time; we provide reliable sourcing for this Siemens SIRIUS series component.
How to install the SIEMENS 3RU21464MB0 overload relay?
To install the SIEMENS 3RU21464MB0, first ensure the contactor is de-energized. Mount the relay directly onto a SIRIUS contactor of Frame Size S3 using the provided screw terminals. Wire the main circuit through the relay's three poles and connect the 1NO/1NC auxiliary contacts to your control circuit. Follow standard IEC installation practices and verify settings per motor full-load current.
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Common applications for SiemensSiemens Products
3G Electric supplies Siemens iec thermal overload relays. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
