Siemens Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Frame Size S2
The SIEMENS Overload Relay: Thermal Protection is an IEC thermal overload relay from the SIRIUS series, featuring a Frame Size S2 and integrated bimetallic elements for thermal protection. It includes a 1NO/1NC…
SKU 3G-OTH-41999
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Product Description
The SIEMENS Overload Relay: Thermal Protection is an IEC thermal overload relay from the SIRIUS series, featuring a Frame Size S2 and integrated bimetallic elements for thermal protection. It includes a 1NO/1NC auxiliary contact form, screw terminals, and a maximum voltage rating of 690V AC, with no phase loss sensitivity. This relay is compatible with Frame Size S2 contactors and requires no external thermal units.
Frequently Asked Questions
What is the SIEMENS 3RU21364GB0 overload relay used for?
The SIEMENS 3RU21364GB0 is an IEC thermal overload relay from the SIRIUS series, used to protect motors from overload and phase-loss conditions. It is designed for industrial applications requiring reliable thermal protection, typically paired with Frame Size S2 contactors in motor control centers and machinery.
What are the specifications of the SIEMENS 3RU21364GB0 overload relay?
The SIEMENS 3RU21364GB0 is a 3-pole thermal overload relay with Frame Size S2, rated 36 A – 45 A. It features 1NO/1NC auxiliary contacts, screw terminals, a maximum voltage rating of 690V AC, and integrated bimetallic elements. It has no phase loss sensitivity and requires no external thermal units.
Where to buy the SIEMENS 3RU21364GB0 overload relay worldwide?
You can source the SIEMENS 3RU21364GB0 overload relay worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.
How to install the SIEMENS 3RU21364GB0 overload relay?
To install the SIEMENS 3RU21364GB0, first disconnect power. Mount the relay directly onto a compatible SIRIUS Frame Size S2 contactor using the provided screw terminals. Set the current dial to match the motor full-load amperage. Verify wiring per the diagram and test the auxiliary contacts before energizing.
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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.
