Description
The Siemens 3VL6780-1AA36-0AA0 is a high-performance VL800N molded case circuit breaker (MCCB) designed for dependable protection and switching of electrical power distribution systems. This 3-pole breaker supports a rated operational and continuous current of 800 A and delivers a standard breaking capacity of Icu 55 kA at 415 V AC, making it suitable for demanding industrial environments.
With a maximum operational voltage of 690 V AC, insulation voltage of 800 V, and a surge voltage resistance of 8 kV, the breaker ensures robust electrical durability. It offers a mechanical lifespan of 10,000 switching cycles and an electrical endurance of 3,000 cycles, confirming long-term reliability in frequent switching applications.
This model features screw-type main terminals, fixed mounting, and a compact design measuring 406.5 × 190 × 176.5 mm (H×W×D). The breaker includes no auxiliary contacts, no trip indicator, and no undervoltage release, but it supports optional motor drive extensions.
Rated for ambient temperatures from -25°C to +70°C, the unit maintains performance even in harsh conditions. The 3VL6780-1AA36-0AA0 complies with IEC standards and UL specifications, carrying an IP20 protection class for safe installation within enclosures.
Ideal for industrial panels, distribution boards, and heavy-duty power systems, this MCCB provides reliable short-circuit interruption and system protection with Siemens’ proven VL-series technology.
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