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Siemens 3RU1126-1HB0 SIRIUS Thermal Overload Relay - 5.5-8A

Siemens 3RU1126-1HB0 Thermal Overload Relay (5.5-8A)

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ManufacturerSiemens

Part number3RU1126-1HB0

Adjustable Current Range 5.5-8A

Trip Class 10

Size S0

Mounting Contactor Mounting

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Motor Protection Adjustable Current Range Class 10 Tripping Manual/Automatic Reset Phase Failure Sensitivity

Product description

The Siemens 3RU1126-1HB0 is a thermal overload relay designed for motor protection. It features an adjustable current range of 5.5 to 8 Amps and a Class 10 tripping characteristic, ensuring reliable protection for three-phase motors.

This relay is ideal for use in industrial applications such as motor control centers, pump stations, and conveyor systems. Its robust design and phase failure sensitivity make it a dependable component for ensuring operational continuity and preventing equipment damage.

Source your Siemens 3RU1126-1HB0 overload relays from Stanlo Automation, your trusted veteran-owned surplus parts distributor. We offer competitive pricing and prompt delivery to keep your operations running smoothly.

Technical specifications

Adjustable Current Range	5.5-8A
Trip Class	10
Size	S0
Mounting	Contactor Mounting
Terminals	Screw
Auxiliary Contacts	1 NO, 1 NC
Voltage	690 VAC
Phase Failure Sensitivity	Yes
Reset	Manual/Automatic

Common applications

Motor Control Centers

Pump Stations

Conveyor Systems

Industrial Automation

HVAC Systems

Machine Tools

Compatible systems

Siemens 3RT1023 Siemens 3RT1024 Siemens 3RT1025 Siemens 3RT1026

Also known as

Siemens SIRIUS 3RU11 3RU11261HB0 Siemens Motor Overload Relay

Replaces / compatible with

This part is a phased-out product. The preferred successor type is 3RU2126-1HB0.

Technical note

Expert tip

This relay is designed for direct mounting onto Siemens 3RT1 Size S0 contactors, optimizing space and simplifying installation.

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Frequently asked questions

What are the key specifications of the Siemens 3RU1126-1HB0 overload relay?

The Siemens 3RU1126-1HB0 is a thermal overload relay with an adjustable current range of 5.5 to 8A and a Class 10 tripping characteristic. It features manual/automatic reset, screw terminals, and 1 NO/1 NC auxiliary contacts.