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Siemens 3UN2634-0AN7 PTC Thermistor Tripping Unit

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ManufacturerSiemens

Part number3UN2634-0AN7

Part Number 3UN2634-0AN7

Manufacturer Siemens

Type PTC Thermistor Tripping Unit

Features Increased interference suppression, Manual/Remote reset, Monostable, 8 LEDs, 1NO+1NC contacts

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Increased interference suppression Manual/Remote reset 8 LED status indicators 1NO+1NC auxiliary contacts Monostable output Suitable for AC 220-240V

Product description

The Siemens 3UN2634-0AN7 is a PTC thermistor tripping unit designed for motor protection. It features increased interference suppression for reliable operation in noisy electrical environments and a manual/remote reset function. The unit is equipped with 8 LEDs for status indication and provides a monostable output with 1 normally open (NO) and 1 normally closed (NC) contact.

This tripping unit is suitable for shutdown applications with AC power supplies ranging from 220V to 240V at 50/60Hz. Its IP20 protection rating ensures safety during installation and operation. It is commonly used in industrial motor control circuits to protect against overcurrent and overheating conditions.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3UN2634-0AN7 for your industrial needs. We provide reliable and cost-effective solutions for your automation projects, ensuring you get the parts you need quickly.

Technical specifications

Part Number	3UN2634-0AN7
Manufacturer	Siemens
Type	PTC Thermistor Tripping Unit
Features	Increased interference suppression, Manual/Remote reset, Monostable, 8 LEDs, 1NO+1NC contacts
Power	AC 220V to 240V 50/60Hz
Protection	IP20

Common applications

Motor protection

Industrial control panels

Pump control

Fan control

Conveyor systems

Compatible systems

Siemens motor starters Industrial control systems AC power circuits (220-240V)

Also known as

Siemens PTC Tripping Unit

Replaces / compatible with

This tripping unit is designed to replace older or standard PTC thermistor relay modules for motor protection. It offers enhanced features for modern industrial applications.

Technical note

Expert tip

Ensure the correct voltage (220-240V AC) is supplied to the unit for proper operation. The increased interference suppression is beneficial in environments with significant electrical noise.

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Frequently asked questions

What type of contacts does the Siemens 3UN2634-0AN7 tripping unit provide?

The Siemens 3UN2634-0AN7 tripping unit is equipped with 1 normally open (NO) and 1 normally closed (NC) auxiliary contact. These contacts can be used for signaling or interlocking purposes in control circuits.