Adjustable AC 220V automatic circuit breaker - Overvoltage and undervoltage protection

Discover our VA-40 overvoltage and undervoltage protector, your reliable solution for optimal electrical protection. Designed with a simple panel and clear functions, its ergonomic design makes it easy to use. Perfectly suited to meet the requirements of various applications, it ensures reliable operation even in harsh environments. This voltage and current protector resets automatically, without requiring manual operation, for exceptional simplicity and convenience. It features precise voltage testing, with a measurement error for undervoltage protection not exceeding 1% of the overall range. Robust, the protection device will not be damaged by the maximum overvoltage in the event of a circuit failure.

Made of durable ABS, it is specially designed for overvoltage and undervoltage protection.

**Main Technical Specifications:**

* **Rated Supply Voltage:** AC220V

* **Operating Voltage Range:** AC 80V~400V (Single Phase)

* **Rated Frequency:** 50/60Hz

* **Current Setting Range (> A):** 1~63A

* **Overvoltage Setting Range (> U):** 230~300V

* **Undervoltage Setting Range (< U):** 140~210V

* **Error:** 2%

* **Triggering Delay >U and

* **Restart/Start-up Delay:** 1s~600s

* **Voltage Measurement Accuracy:** Not more than 1% of the overall range

* **Rated Insulation Voltage:** 400V

* **Output Contact:** 1NO (1 Normally Open)

* **Electrical Life:** 100,000 cycles

* **Mechanical Life:** 1,000,000 cycles

* **Protection Rating:** IP20

* **Pollution Rating:** 3

* **Max. Altitude :** ≤2000m

* **Operating Temperature:** -50℃ to +55℃

* **Humidity:** ≤50% at 40℃ (non-condensing)

* **Storage Temperature:** -30℃ to +70℃

**Factory Default Settings:**

* **Overvoltage Trip Value:** 280V

* **Undervoltage Trip Value:** 160V

* **Overcurrent Trip Value:** 20A

* **Reset/Start-up Delay:** 5s

**Current and Power Specifications:**

* **15A:** Rated Working Current 15A, max current (10 min) 25A, max power 3.6kW

* **25A:** Rated working current 25A, max current (10 min) 30A, max power 5.5kW

* **32A:** Rated working current 32A, max current (10 min) 40A, max power 7kW

* **50A:** Rated working current 50A, max current (10 min) 60A, max power 11kW

* **63A:** Rated working current 63A, max current (10 min) 80A, max power 13.9kW

Your order includes: **1 x VA-40 Overvoltage and Undervoltage Protector** and **1 x User Manual**.