About STEL

STEL is a trusted manufacturer of surge protection devices and fuses, providing TÜV Certified solutions for safe and reliable energy systems. Our commitment to innovation, unwavering reliability and stringent quality standards ensures our products deliver superior performance and peace of mind.

Our Product

TÜV Rheinland certified solutions for every need.

AC SPD

Surge Protective Devices for AC power systems.

DC SPD

Reliable protection for photovoltaic (PV) systems.

DC Fuse & Fuse Holder

High-quality fuses for solar and DC applications.

Test Certificate

Download our product certificates.

AC SPD Certificate

DC SPD Certificate (600V)

DC SPD Certificate (1000V)

Contact us

Get in touch with our team for inquiries and support.

Contact Information

Email

info@stel.co.in

Phone

Location

Plot No. 31/1, Road No. 5/A, Kathwada GIDC, Kathwada, Ahmedabad-382430

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