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Siemens 3RU2116-4AB0 Thermal Overload Relay - 11-16A

Siemens 3RU2116-4AB0 Thermal Overload Relay for motor protection.

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ManufacturerSiemens

Part number3RU2116-4AB0

Current Setting 11-16 A

Size S00

Class 10

Mounting Contactor Mounting

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Thermal overload protection Class 10 tripping Contactor mounting Screw terminals Manual/automatic reset Motor protection

Product description

The Siemens 3RU2116-4AB0 is a high-capacity thermal overload relay designed for robust motor protection. It covers an adjustable current range of 11 to 16 A, with a Class 10 trip rating, ensuring reliable safeguarding for larger motors.

This relay is intended for direct mounting onto Siemens contactors, utilizing screw terminals for secure connections in both the main and auxiliary circuits. Its Size S00 designation ensures a relatively compact footprint for its current rating, facilitating integration into various control systems.

Stanlo Automation, a veteran-owned distributor of surplus industrial parts, offers the Siemens 3RU2116-4AB0. Source dependable motor protection components for your critical applications and benefit from our commitment to quality and availability.

Technical specifications

Current Setting	11-16 A
Size	S00
Class	10
Mounting	Contactor Mounting
Main Circuit Terminals	Screw
Auxiliary Circuit Terminals	Screw
Reset	Manual/Automatic

Common applications

Industrial Motors

Pump Systems

Large Fans

Conveyor Systems

Machine Tools

Automation Control

Compatible systems

Siemens 3RT contactors (e.g., 3RT2019, 3RT2024)

Also known as

Siemens 3RU2116-4AB0 relay SIRIUS overload relay 16A 3RU Series S00 high current

Replaces / compatible with

This overload relay is designed to integrate with Siemens 3RT contactors and can serve as a replacement for previous Siemens overload relays with similar 11-16A ratings and S00 size.

Technical note

Expert tip

For motors operating in frequent start/stop cycles or with high starting torque requirements, consider the Class 20 or Class 30 overload relays for reduced nuisance tripping.

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Frequently asked questions

What is the tripping class for the Siemens 3RU2116-4AB0 overload relay?

The Siemens 3RU2116-4AB0 overload relay features a Class 10 tripping class. This provides protection by tripping within 10 seconds when the current reaches 7 times the set value, offering a balance between sensitivity and nuisance tripping.