Bimetal relay 25...32 A size S1, class 10 - 3US5500-2D8K

Siemens 3US5500-2D8K Bimetal Overload Relay – 25–32A, Class 10

The Siemens 3US5500-2D8K is a reliable bimetal thermal overload relay designed for dependable three-phase motor protection in industrial and commercial motor control applications. With an adjustable current range of 25–32A, this Siemens overload relay provides practical protection against sustained overload conditions that can cause excessive motor heating.

Designed in size S1 with a Class 10 trip characteristic, the relay is suitable for motor applications with standard starting conditions. Its bimetal thermal operating principle responds to prolonged overcurrent and helps protect motor windings from overheating and potential damage.

The Siemens 3US5500-2D8K is suitable for motor starters, industrial control panels, pumps, fans, conveyors, machinery, and other motor-driven equipment requiring dependable thermal overload protection.

Key Features

• Siemens 3US5500-2D8K bimetal overload relay

• Adjustable 25–32A current range

• Size S1 design for compatible motor starter applications

• Class 10 tripping characteristic

• Bimetal thermal overload protection

• Designed for three-phase motor protection

• Suitable for standard motor starting applications

• Suitable for industrial control and motor protection panels

• Ideal for OEMs, panel builders, and electrical contractors

Applications

The Siemens 3US5500-2D8K overload relay is suitable for:

• Three-phase motor protection

• Motor starters

• Industrial control panels

• Motor control centers

• Pump and fan applications

• Conveyor systems

• Industrial machinery

• Manufacturing equipment

• OEM motor control panels

• Industrial automation systems

Benefits

The Siemens bimetal overload relay helps protect motors against sustained overload conditions that can lead to excessive heating and premature motor failure. The adjustable 25–32A range allows the relay to be matched to the motor's operating current.

Its Class 10 characteristic provides a practical solution for general-purpose motor applications with normal starting conditions. The S1 size also supports compact and organized installation within compatible motor starter assemblies.

Why Buy Siemens 3US5500-2D8K 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 3US5500-2D8K 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 3US5500-2D8K?
The Siemens 3US5500-2D8K is a bimetal thermal overload relay designed for three-phase motor protection applications.

What is the current range of Siemens 3US5500-2D8K?
The relay has an adjustable current range of 25–32A.

What does Class 10 mean in an overload relay?
Class 10 defines the relay's trip characteristic and is commonly used for motors with normal starting conditions.

What is S1 size in this Siemens overload relay?
S1 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 by responding to the heat produced by excessive current and activating the protection mechanism when the overload persists.

Where can Siemens 3US5500-2D8K be used?
It can be used in motor starters, industrial control panels, pumps, fans, conveyors, machinery, manufacturing equipment, and other motor protection applications.

Where can I buy Siemens 3US5500-2D8K?
You can contact SB Smart for pricing, availability, and quotation assistance for the Siemens 3US5500-2D8K bimetal overload relay.