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Siemens STAR-DELTA Time Relay 7PU6020-2NN20

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ManufacturerSiemens

Part number7PU6020-2NN20

Type STAR-DELTA Time Relay

Setting Range 6S to 60S

Voltage 220-240V AC

Frequency 50/60 Hz

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12-month warranty

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Veteran-owned

CAGE: 9NK75

Star-Delta Starting Control Adjustable Time Delay (6-60s) 220-240V AC Operation 1 NO Delayed + 1 NO Instantaneous Contact DIN Rail Mountable

Product description

The Siemens STAR-DELTA Time Relay, model 7PU6020-2NN20, is designed for motor starting applications using the star-delta method. It features a setting range from 6 seconds to 60 seconds for the delay time. The relay operates on AC 220-240V at 50/60 Hz and includes one normally open (NO) delayed contact and one normally open (NO) instantaneous contact. It is designed for DIN rail mounting.

This time relay is crucial for controlling the sequence of motor windings in star-delta starting, helping to reduce starting current and mechanical stress on the motor and drive system. It is widely used in pump stations, fan systems, and industrial machinery.

Stanlo Automation, your veteran-owned surplus industrial parts distributor, offers the Siemens STAR-DELTA Time Relay 7PU6020-2NN20. Rely on us for quality components to ensure your motor control systems function reliably.

Technical specifications

Type	STAR-DELTA Time Relay
Setting Range	6S to 60S
Voltage	220-240V AC
Frequency	50/60 Hz
Contacts	1 NO Delayed + 1 NO Instantaneous
Mounting	DIN Rail

Common applications

Motor Control

Pump Systems

Fan Systems

Industrial Machinery

Conveyor Systems

Automation Control

Compatible systems

Compatible with motor control circuits requiring star-delta starting sequences.

Also known as

Siemens Time Delay Relay Star-Delta Starter Relay

Replaces / compatible with

This relay is part of the 7PU series for star-delta motor starting. Check compatibility for specific applications.

Technical note

Expert tip

Proper wiring is crucial for correct star-delta sequencing; ensure the delayed and instantaneous contacts are correctly utilized.

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Frequently asked questions

What is the time delay range and contact configuration of the Siemens 7PU6020-2NN20 relay?

The Siemens 7PU6020-2NN20 STAR-DELTA Time Relay has an adjustable time delay range of 6 to 60 seconds and features one normally open (NO) delayed contact and one normally open (NO) instantaneous contact.