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Siemens 3RB1016-2PB0 Overload Relay - 1.5-6A

Siemens 3RB1016-2PB0 overload relay for motor protection (1.5-6A).

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ManufacturerSiemens

Part number3RB1016-2PB0

Current Range 1.5-6 A

Class 20

Mounting Contactor Mount

Reset Manual/Automatic

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12-month warranty

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Motor protection Adjustable current Class 20 trip Contactor mounting Manual/Automatic reset Screw terminals

Product description

The Siemens 3RB1016-2PB0 is a thermal overload relay for motor protection, featuring an adjustable current range of 1.5 to 6 A and a Class 20 tripping characteristic. It is designed for direct mounting onto Siemens contactors, offering a space-saving and integrated solution for motor control circuits. The relay is equipped with screw terminals for main and auxiliary connections and supports both manual and automatic reset options.

This relay provides essential protection for electric motors against sustained overloads, phase loss, and other fault conditions that can lead to motor failure. It is commonly utilized in industrial settings for applications such as pumps, fans, compressors, and general machinery.

Stanlo Automation, a veteran-owned distributor of surplus industrial automation parts, offers the Siemens 3RB1016-2PB0. We provide a reliable and economical source for high-quality surplus components, ensuring your operations continue smoothly.

Technical specifications

Current Range	1.5-6 A
Class	20
Mounting	Contactor Mount
Reset	Manual/Automatic
Main Circuit Terminals	Screw
Aux Circuit Terminals	Screw
Manufacturer	Siemens

Common applications

Motor control

Pump applications

Fan units

Compressor systems

Industrial machinery

Material handling

Compatible systems

Siemens 3RB contactors

Also known as

Siemens 3RB1016-2PB0 relay Siemens 1.5-6A overload

Replaces / compatible with

This overload relay is designed to work with specific Siemens 3RB contactors for comprehensive motor protection. Always consult Siemens documentation for precise compatibility.

Technical note

Expert tip

The 3RB1016-2PB0 is suitable for motors requiring a slower trip response under overload conditions compared to Class 10 relays, offering enhanced protection for certain motor types.

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Frequently asked questions

What does the Class 20 rating mean for the Siemens 3RB1016-2PB0 overload relay?

The Class 20 rating for the Siemens 3RB1016-2PB0 means it is designed to trip within approximately 20 seconds when subjected to a 460% overload relative to its set current. This provides a balance between sensitivity and immunity to nuisance tripping for many motor applications.