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High-quality Intermatic - H20s21s1dg1 - Surge Protective Device, 7-mode, 120-240 Vac 1phase Collection [Vu8U6YW9]

$82.99 $265.99 -69%

Introducing the Intermatic H20S21S1DG1 Surge Protective Device The Intermatic H20S21S1DG1 Surge Protective Device is a cutting-edge solution designed to provide comprehensive surge protection for your electrical systems. With its robust features and

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Introducing the Intermatic H20S21S1DG1 Surge Protective Device

The Intermatic H20S21S1DG1 Surge Protective Device is a cutting-edge solution designed to provide comprehensive surge protection for your electrical systems. With its robust features and high-performance design, this device ensures the safety and longevity of your valuable equipment. The H20S21S1DG1 is equipped with 7 Modes of protection, offering flexibility and adaptability to various surge scenarios.

Key Features and Specifications

The H20S21S1DG1 boasts several key features that set it apart from other surge protective devices. Firstly, it is a Type 2 surge protection device, ensuring maximum protection against surges. Additionally, the device comes with an optional audible alarm and dry relay contacts, allowing for immediate notification of surge events. The 7 Modes of protection offer versatile solutions for different surge conditions, while the NFPA 780 and UL 96A certifications guarantee compliance with industry standards. The NEMA 4X enclosure allows for both indoor and outdoor installations, providing a durable and reliable solution for any environment.

Applications and Benefits

The Intermatic H20S21S1DG1 Surge Protective Device is ideal for a variety of applications, including distribution panels, service entrances, and other critical electrical systems. Its ability to protect against surges makes it a valuable addition to any industrial or commercial setting. With the individually integrated disconnect TPMOV surge protection technology, the device offers enhanced safety and reliability. Furthermore, the optional advanced electrical noise filter (UL 1283) reduces electromagnetic interference (EMI) and radio frequency interference (RFI), ensuring a clean and stable power supply. The Blue LED status indicator per phase and red LED service indicator provide clear visibility of the device's operational status, making maintenance and troubleshooting easier than ever.

What Our Customers Say

December 25, 2025

Absolutely no complaints!

It's a very well-made product, great quality and very sleek.

- Lila V..

December 25, 2025

Absolutely no complaints!

It’s a very durable and reliable item.

- Bella P..

December 25, 2025

Absolutely no complaints!

This is a very solid and reliable product line.

- Kooper E..

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