7GN4012U – 3 POS. STAR DELTA CHANGEOVER SWITCH FRON
Lovato’s 7GN4012U rotary cam motor starting switch provides dependable star-delta control for motors in industrial panels. Rated 40 A Ith and built on the 7GN round-shaped contact block series, it is designed for front mounting with a black handle and a 65 x 65 mm front plate. Switching diagram 12 supports standard star-delta motor starter configurations. With the 7GN40 designation, this unit offers a 6 kV rated impulse withstand voltage and IP40 frontal protection for assured service. It operates from -25 to + 55 °C and stores from -40 to + 70 °C, in line with IEC/EN/BS 60947-1/-3/-5-1 as well as UL60947-4-1 and CSA C22.2 n° 14, making it a reliable choice for new builds and panel upgrades.
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The Lovato 7GN4012U is a 7GN series rotary cam switch designed for star-delta motor starting applications. This 40A motor starter switch provides reliable manual switching control for three-phase motors and features a front mounting configuration with a black handle and 65x65mm front plate. It is suitable for industrial machinery, electrical control panels, and motor control systems requiring dependable star-delta switching.
The 7GN4012U uses switching diagram 12 for star-delta motor starting and includes a compact round-shaped contact block design. The switch is engineered for demanding industrial environments with IEC and UL/CSA compliance, providing high insulation performance and reliable operation.
Key Features
Manufacturer: LOVATO Electric
Model: 7GN4012U
Series: 7GN rotary cam switches
Star-delta motor starter switch
40A IEC conventional free air thermal current rating
Three-position operation: 0-Y-Δ
Front mounting design
Black rotary handle
65x65mm front plate
Round-shaped contact block construction
Suitable for industrial motor starting applications
Technical Specifications
Specification
Value
Product Type
Motor Starting Switch / Rotary Cam Switch
Manufacturer
LOVATO Electric
Part Number
7GN4012U
Series
7GN
Switching Diagram
12 - Star-Delta Motor Starter Switch
Operating Positions
3 (0-Y-Δ)
Number of Elements
4
Rated Thermal Current Ith
40A IEC/EN
UL/CSA Thermal Current
50A
Rated Insulation Voltage Ui
690V IEC/EN, 600V UL/CSA
Rated Impulse Withstand Voltage
6kV
Rated Operational Voltage
480V
Mounting Type
Front Mounting
Handle Colour
Black
Front Plate Size
65x65mm
Weight
360g
Applications
Star-delta motor starting systems
Industrial motor control panels
Machine automation equipment
Three-phase motor switching applications
Electrical distribution and control systems
Why Choose Lovato 7GN4012U?
The Lovato 7GN4012U provides a compact and reliable solution for manual star-delta motor starting control. With a 40A current rating, robust switching mechanism, front panel mounting design, and compliance with international electrical standards, it is suitable for professional industrial installations requiring safe and efficient motor control.
Frequently Asked Questions
What is the Lovato 7GN4012U used for?
The Lovato 7GN4012U is used for manual star-delta starting control of three-phase motors, allowing reduced-voltage motor starting applications.
What is the current rating of the Lovato 7GN4012U?
The Lovato 7GN4012U has a conventional free air thermal current rating of 40A according to IEC/EN specifications.
How is the Lovato 7GN4012U mounted?
The 7GN4012U is designed for front mounting and includes a black handle with a 65x65mm front plate.
What switching function does the Lovato 7GN4012U provide?
The Lovato 7GN4012U provides a star-delta motor starter switching function using switching diagram 12 with three operating positions: 0-Y-Δ.
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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
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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...