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Siemens 7PU2040-7QN20 Solid State On-Delay Time Relay

Siemens 7PU2040-7QN20 On-Delay Solid State Time Relay, 2-20s

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ManufacturerSiemens

Part number7PU2040-7QN20

Type On-Delay

Contact Configuration 1 DELAYED CHANGEOVER + 1 DEL.NO + 1 INSTANT.CHANGEOVER

Time Setting Range 2S TO 20S

Voltage 220-240V AC 50/60HZ

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Solid State Design On-Delay Functionality Multiple Contact Configurations Adjustable Time Delay Wide Voltage Range Surface Mounting

Product description

The Siemens 7PU2040-7QN20 is a solid-state on-delay time relay designed for surface mounting. It features a time setting range from 2 to 20 seconds, operating on AC 50/60Hz at 220-240V. The relay offers versatile contact configurations, including 1 delayed changeover contact, 1 delayed normally open contact, and 1 instantaneous changeover contact, providing flexibility in control circuits.

This time relay is suitable for a wide range of industrial automation applications, including motor control, process timing, and sequence control. It is commonly used in industries such as manufacturing, material handling, and building automation where precise timing is critical for operational efficiency and safety.

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Technical specifications

Type	On-Delay
Contact Configuration	1 DELAYED CHANGEOVER + 1 DEL.NO + 1 INSTANT.CHANGEOVER
Time Setting Range	2S TO 20S
Voltage	220-240V AC 50/60HZ
Mounting	Surface Mount
Series	7PU20

Common applications

Motor Control

Process Timing

Sequence Control

Automation Systems

Control Panels

Industrial Machinery

Compatible systems

Compatible with Siemens control systems and panels requiring on-delay timing functions.

Also known as

Siemens Timer Relay 7PU2040-7QN20 7PU20407QN20 Siemens Control Relay

Replaces / compatible with

Compatible with Siemens control systems requiring precise on-delay timing functions. Please consult Siemens documentation for specific compatibility details.

Technical note

Expert tip

Ensure proper ventilation when operating at the upper end of the voltage range to prevent overheating of the solid-state components.

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Frequently asked questions

What are the contact configurations available on the Siemens 7PU2040-7QN20 time relay?

The Siemens 7PU2040-7QN20 time relay features 1 delayed changeover contact, 1 delayed normally open (NO) contact, and 1 instantaneous changeover contact, offering flexibility for various control circuits.