Bimetal relay 85...105 A size S3 class 10 DO - 3US5800-5C8K

Siemens 3US5800-5C8K Bimetal Overload Relay – 85–105A, Class 10

The Siemens 3US5800-5C8K is a robust bimetal thermal overload relay designed for reliable protection of three-phase motors against sustained overload conditions. With an adjustable current range of 85–105A, this Siemens overload relay is suitable for demanding industrial motor protection and direct-on-line (DOL) starter applications.

Designed in size S3 with Class 10 tripping characteristics, the relay provides dependable thermal protection while allowing practical integration into compatible motor starter assemblies. Its bimetal operating principle responds to excessive current and helps protect motor windings from overheating during prolonged overload conditions.

The Siemens 3US5800-5C8K is suitable for industrial control panels, motor control centers, pumps, fans, compressors, conveyors, machinery, and other applications requiring dependable motor overload protection.

Key Features

• Siemens 3US5800-5C8K bimetal overload relay

• Adjustable current range of 85–105A

• Size S3 design for industrial motor protection

• Class 10 tripping characteristic

• Thermal bimetal overload protection

• Suitable for DOL motor starter applications

• Designed for reliable three-phase motor protection

• Suitable for industrial control and motor protection panels

• Practical solution for OEMs, panel builders, and system integrators

Applications

The Siemens 3US5800-5C8K overload relay is suitable for:

• Industrial motor protection

• DOL motor starters

• Motor control centers (MCCs)

• Industrial control panels

• Pump and fan applications

• Compressors and conveyors

• Manufacturing machinery

• Industrial automation systems

• OEM motor control panels

Benefits

The Siemens bimetal overload relay provides dependable protection against sustained motor overloads that can cause excessive heating and premature motor failure. The 85–105A adjustable range allows the relay to be matched to the operating requirements of compatible motors.

Its Class 10 characteristic makes it suitable for general-purpose motor applications where reliable overload protection and practical starting performance are required.

The S3-size construction also makes the relay suitable for industrial motor starter and control-panel installations where robust protection and reliable operation are important.

Why Buy Siemens 3US5800-5C8K from SB Smart?

SB Smart supplies genuine Siemens overload relays, motor protection devices, contactors, SIRIUS components, and industrial automation products for panel builders, OEMs, electrical contractors, system integrators, and industrial customers.

The Siemens 3US5800-5C8K can be sourced through SB Smart with product assistance, availability information, and quotation support for your motor protection requirements.

Frequently Asked Questions

What is Siemens 3US5800-5C8K?
The Siemens 3US5800-5C8K is a bimetal thermal overload relay designed for industrial motor protection applications.

What is the current range of Siemens 3US5800-5C8K?
The relay has an adjustable current range of 85–105A.

What does Class 10 mean in an overload relay?
Class 10 refers to the relay's trip characteristic and is commonly used for general-purpose motor applications with normal starting conditions.

What is the S3 size of this Siemens overload relay?
S3 refers to the physical size/frame category of the compatible motor starter and overload relay arrangement.

What is a bimetal overload relay used for?
A bimetal overload relay protects motors against sustained overcurrent conditions by responding to the heat generated by excessive current and operating the protection mechanism when the overload persists.

Where can Siemens 3US5800-5C8K be used?
It can be used in industrial motor starters, MCC panels, pumps, fans, compressors, conveyors, machinery, and other motor protection applications.

Where can I buy Siemens 3US5800-5C8K?
You can contact SB Smart for pricing, availability, and quotation assistance for the Siemens 3US5800-5C8K bimetal overload relay.