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Datasheet generated 2026-10-07
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Siemens 3RU2126-1GB0 SIRIUS Thermal Overload Relay 4.5-6.3 A, Size S0

Siemens · Switchgear & Protection · Overload Relays · Germany · siemens.com
Part Number
3RU2126-1GB0  ·  HS 8536.49
Siemens 3RU2126-1GB0 SIRIUS Thermal Overload Relay 4.5-6.3 A, Size S0

Siemens 3RU2126-1GB0 is a SIRIUS thermal overload relay for motor protection with a 4.5–6.3 A setting range. Class 10 tripping, one NO and one NC auxiliary contact, direct-mount to the associated contactor with screw connection up to 690 V. Automatic and manual reset selectable.

Technical Specifications

Manufacturer part number (MPN)3RU2126-1GB0
EAN / GTIN4011209780897
Sales unitpcs
Setting range4.5-6.3 A
Mounting methodDirect attachment
Number of auxiliary contacts as normally open contact1
Number of auxiliary contacts as normally closed contact1
Release classCLASS 10
Type of electrical connection of main circuitScrew connection
Max. rated operation voltage Ue690 V
Reset function inputNo
Reset function automaticYes
Reset function push-buttonYes
Country of originGermany

Properties

MOQ1

Cross-References

Attached Documents