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Pure Differential Switch Type A, 40A Idn 30mA 2P ABB F427826
A key element for electrical safety: the pure differential switch Type A. This device, without magnetothermal releases, plays an essential role in ensuring the protection of people, regulating indirect contacts and offering additional protection from direct contacts, according to the CEI EN 61008-1 and CEI EN 61008-2-1 standards.
Operation of the Pure Differential Switch
Since they do not have a built-in magnetothermal device, pure differentials require protection against short circuits. This safety is guaranteed by using appropriate automatic switches or fuses.
APR Version Anti-perturbation of the Pure Differential
The APR anti-perturbation versions of the Pure Differential Switch are specifically designed to ensure superior resistance to untimely trips. These can occur due to impulsive dispersions resulting from maneuvers or exceptional atmospheric phenomena, such as lightning.
Technical Features
- Protection from impulse dispersions
- Complies with CEI EN 61008-1 and CEI EN 61008-2-1 standards
- High resistance to untimely shots
- Provides adequate protection from indirect and direct contact
