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Siemens 3UA5200-0A Thermal Overload Relay for Motor Protection

Siemens 3UA5200-0A Thermal Overload Relay

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ManufacturerSiemens

Part number3UA5200-0A

Current Setting Range 0.1-0.16A

Auxiliary Contacts 1 NO + 1 NC

Mounting Direct mount onto contactor/starter

Type Thermal Overload Relay

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Veteran-owned

CAGE: 9NK75

Adjustable current setting Direct mounting Thermal overload protection 1NO+1NC auxiliary contacts Ultra-low current protection

Product description

The Siemens 3UA5200-0A is a thermal, time-delayed overload relay designed for direct mounting onto Siemens contactors and starters. This unit is specifically designed for very low current applications, with an adjustable setting range from 0.1 to 0.16 Amperes. It includes one normally open (NO) and one normally closed (NC) auxiliary contact for integrated control and signaling functionalities.

This overload relay is essential for protecting small, sensitive motors and control circuits from overcurrent damage. It is ideal for applications such as small fans, delicate control systems, or auxiliary components where precise overload detection at very low current levels is required to prevent equipment failure.

Stanlo Automation, a veteran-owned surplus parts distributor, provides the Siemens 3UA5200-0A. We ensure you receive high-quality, reliable automation components at competitive prices, minimizing your operational costs and downtime. Trust Stanlo Automation for all your industrial automation needs.

Technical specifications

Current Setting Range	0.1-0.16A
Auxiliary Contacts	1 NO + 1 NC
Mounting	Direct mount onto contactor/starter
Type	Thermal Overload Relay

Common applications

Very small motor protection

Control circuits

Instrumentation

HVAC micro-fans

Sensitive electronics

Compatible systems

Siemens 3RT series contactors Siemens 3RH series contactors

Also known as

Siemens 3UA5200-0A overload relay 3UA52000A thermal relay Siemens micro motor overload

Replaces / compatible with

The Siemens 3UA5200-0A serves as a critical protection component for small motors and control systems, directly mounting onto compatible Siemens contactors.

Technical note

Expert tip

When using the 3UA5200-0A, ensure that the motor's full load current falls well within the relay's 0.1-0.16A adjustment range for reliable protection.

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Frequently asked questions

What applications are best suited for the Siemens 3UA5200-0A overload relay?

The Siemens 3UA5200-0A overload relay, with its 0.1-0.16A setting range, is ideal for protecting very small motors, sensitive control circuits, and instrumentation. It's commonly used in applications like micro-fans, small pumps, or auxiliary control systems where precise, low-current overload detection is necessary.