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Siemens SOLID STATE TIME RELAY 7PU2040-7AB30

Siemens Solid State Time Relay, ON-DELAY, 24V AC/DC, 2S-20S.

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ManufacturerSiemens

Part number7PU2040-7AB30

Type Solid State Time Relay

Manufacturer Siemens

Model 7PU2040-7AB30

Mounting Surface Mounting

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Solid State Technology ON-DELAY Function One Delayed Changeover Contact Adjustable Time Range (2s-20s) 24V AC/DC Operation Surface Mount Design

Product description

The Siemens 7PU2040-7AB30 is a solid-state time relay designed for surface mounting. It features an ON-DELAY function with one delayed changeover contact. The time setting range is adjustable from 2 seconds to 20 seconds, and it operates on a power supply of 24V AC/DC at 50/60 Hz.

This versatile time relay is suitable for a wide array of industrial control applications requiring timed sequences. Common uses include motor control timing, conveyor belt control, pump sequencing, and general process automation where precise, repeatable delays are needed.

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Technical specifications

Type	Solid State Time Relay
Manufacturer	Siemens
Model	7PU2040-7AB30
Mounting	Surface Mounting
Function	ON-DELAY
Contacts	1 Delayed Changeover (1 CO)
Time Range	2 seconds to 20 seconds
Input Voltage	24V AC/DC
Frequency	50/60 Hz

Common applications

Motor Start Delays

Pump Control Sequencing

Conveyor System Timing

HVAC Control Logic

Building Automation

General Timing Functions

Compatible systems

Standard Industrial Control Panels PLC Input/Output Circuits 24V DC Control Systems

Also known as

Siemens ON-DELAY Timer 7PU2040 Relay Industrial Time Delay Relay

Replaces / compatible with

Replaces older electromechanical timers or other solid-state timers with similar ON-DELAY functionality and voltage ratings.

Technical note

Expert tip

When wiring the 7PU2040-7AB30, ensure the correct polarity for DC power supply and verify that the load connected to the output contact does not exceed its rated capacity.

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Frequently asked questions

What type of contact is available on the Siemens 7PU2040-7AB30 time relay?

The Siemens 7PU2040-7AB30 solid-state time relay features one delayed changeover contact (1 CO). This means the contact switches its state after the set delay time has elapsed, functioning as a normally open (NO) or normally closed (NC) contact depending on the wiring.