7GN2520U – POLE CHANGING SWITCH GN2520U C/W REVERSI
Designed for precise motor control, the Lovato 7GN2520U is a 7GN series motor starting switch built for Dahlander two-speed reversing. It offers an IEC conventional free air thermal current of 25 A and utilises the 7GN round-shaped contact block. The U mounting form provides front mounting with a black handle and a compact 48×48 mm front plate for neat, space-efficient panels. Engineered for reliability, this rotary cam switch features a 6 kV rated impulse withstand voltage and IP40 frontal protection. It operates from -25 to + 55 °C, with storage to -40 to + 70 °C, ensuring dependable performance across typical industrial environments. Conformity to IEC/EN/BS 60947-1, 60947-3, 60947-5-1, plus UL60947-4-1 and CSA C22.2 n° 14 supports global compliance needs, alongside Lovato’s Sustainability certification.
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Lovato 7GN2520U Dahlander Motor 2-Speed Reversing Rotary Cam Switch 25A Front Mount 48x48mm
The Lovato 7GN2520U is a rotary cam switch from the Lovato 7GN series,
specifically designed for Dahlander two-speed motor reversing applications.
Featuring a 25A conventional thermal current rating, 6 switching
elements, and a dedicated switching diagram 20 configuration, this
switch provides reliable manual control of pole-changing motors requiring forward and reverse
operation.
Designed for front mounting, the Lovato 7GN2520U is supplied with a
black rotary handle and 48x48mm front plate. The compact
design makes it suitable for industrial control panels, motor control centres, and OEM
machinery where dependable two-speed motor switching is required.
Key Features
Lovato Electric 7GN series rotary cam switch
Dahlander two-speed motor reversing switch
25A conventional thermal current rating (Ith)
Switching diagram 20 configuration
Front mounting design with black rotary handle
48x48mm front plate format
6 switching elements / wafers
Forward and reverse two-speed motor control
IP40 front protection rating
6kV rated impulse withstand voltage
Screw terminal connections
Suitable for industrial motor control applications
Technical Specifications
Brand
Lovato Electric
Part Number
7GN2520U
Product Type
Dahlander Motor 2-Speed Reversing Rotary Cam Switch
Series
7GN
Switching Diagram
20 - Dahlander Motor 2-Speed Reversing Switch
Application
Two-Speed Pole Changing Motor Control
Number of Elements
6
Number of Positions
5 Position (2-1-0-1-2)
Rated Thermal Current Ith
25A
Rated Insulation Voltage Ui
690V
Rated Impulse Withstand Voltage Uimp
6kV
Rated Operational Current
25A
Mounting Type
Front Mounting
Front Plate Size
48 x 48mm
Handle Type
Black Rotary Handle
Protection Rating
IP40 Front
Connection Type
Screw Terminal
Weight
246g
EAN
3850144005068
Applications
Dahlander two-speed motors
Industrial motor control panels
Machine tools
Fans and pumps requiring speed control
Automation equipment
OEM machinery systems
Industrial electrical assemblies
Frequently Asked Questions
What type of switch is the Lovato 7GN2520U?
The Lovato 7GN2520U is a rotary cam switch designed for Dahlander two-speed motor reversing
applications.
What is the current rating of the Lovato 7GN2520U?
The switch has a conventional thermal current rating of 25A Ith.
What motor applications is the Lovato 7GN2520U suitable for?
It is designed for pole-changing Dahlander motors requiring two-speed operation with reversing
capability.
What mounting style does the Lovato 7GN2520U use?
The switch is designed for front mounting with a black handle and 48x48mm front plate.
Does the Lovato 7GN2520U have OFF position control?
Yes. The switching arrangement includes a zero (OFF) position between operating modes.
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Technical Specifications
HS Code
85365080
HS Code
85365080
No documents available for this product.
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Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...