Surge arrester T1+T2 MOV 3P TN-C network Iimp=37.5kA In=50kA Up1,2kV SPA930

Reliable surge protection for electrical installations – Hager SPA930 surge arrester

The Hager SPA930 surge arrester is a key element in protecting electrical installations in residential and commercial buildings. Designed to work with TN-C networks, it effectively protects against both atmospheric surges (lightning strikes) and switching surges that occur during the operation of electrical devices. This three-pole T1+T2 class arrester, with an impulse current of 37.5kA, provides comprehensive protection, minimizing the risk of equipment damage and installation failures.

Construction and application

The SPA930 arrester is mounted on a DIN TH-35 mm mounting rail and occupies 3 modules. Its construction based on MOV (Metal Oxide Varistor) technology guarantees a fast response to surges and effectively limits their level to 1.2 kV. Optical indication of the insert status facilitates control and quick identification of the need for replacement. The device is intended for protecting circuits powering devices sensitive to surges, such as RTV equipment, computers, alarm systems, and building automation. Therefore, investing in the SPA930 arrester is an investment in the safety and continuity of the electrical installation.

Key features and benefits

* Versatile protection: Class T1+T2 provides protection against both direct lightning strikes (Type 1) and induced and switching surges (Type 2).

• High efficiency: Impulse current of 37.5kA and follow current extinguishing capacity of 50kA guarantee effective protection even in the event of strong surges.

• Status indication: Optical indicator of the insert status informs about the need for replacement, which facilitates maintenance and ensures continuous protection.

• Compatibility with TN-C network: The arrester has been specifically designed to operate in TN-C networks, ensuring optimal performance.

• Easy installation: Mounting on a standard DIN TH-35 mm rail is simple and quick, which translates into time savings during installation.

• Wide range of wires: The ability to connect wires with a cross-section of up to 35 mm² (rigid) or 25 mm² (flexible) ensures compatibility with various types of installations.

• Safety: Compliance with IEC/EN 61643-11 standards guarantees a high level of safety.

The SPA930 arrester is characterized by an impulse current (10/350 µs) of 12.5 kA or 37.5 kA depending on the model. The maximum current Imax is 50 kA, and the protection level Up is 1.2 kV. The device has 3 poles and is intended for TN-C networks. It accepts rigid wires with a cross-section of up to 35 mm² and flexible wires up to 25 mm².

The SPA930 arrester is a solid and reliable solution for every installer and end-user looking for comprehensive surge protection in their electrical installation. It provides peace of mind and minimizes the risk of costly equipment failures.