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Home » Products » Circuit Breaker and Switchgear Accessories » Electrical Contacts » THA2 Electrical Contacts (Moving Contacts)

THA2 Electrical Contacts (Moving Contacts)

Specifications
1. 400A electrical contact; model: THA2-106; number of contact pieces: 4 2. 630A electrical contact; model: THA2-107; number of contact pieces: 6
3. 1000A electrical contact; model: THA2-108; number of contact pieces: 10 4. 1250A electrical contact; model: THA2-109; number of contact pieces: 15
5. 2500A electrical contact; model: THA2-112; number of contact pieces: 24 6. 3150A electrical contact; model: THA2-113; number of contact pieces: 30

Introduction
The THA2 electrical contacts are moving contacts made from imported non-magnetic stainless steel, T2 copper, and aluminum materials. Electrophoretic paint treatment is performed on the stainless steel spring to prevent oxidation and rusting. The contact pieces are silver-plated to prevent oxidation and to enhance abrasion resistance. An aluminum protective cover is used for fixing and protecting this electrical component. The electrical contact can be used for ABB-VD4, Schneider-EV12S, HVX, SIEMENS-3AE-SION and Tellhow-TZN series of vacuum circuit breakers, etc.

Features
1. Electrophoretic paint treatment is performed on the stainless steel spring to prevent oxidation and rusting.
2. The contact pieces are silver-plated to enhance abrasion resistance.
3. Anti-tarnishing treatment is performed to avoid silver layer oxidation and falling off.
4. The aluminum protective sleeve prevents deformation and falling off of spring.
5. Static contact insertion depth (reference value): 22 ± 2mm.

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