For additional discounts, please contact our five-star sales manager Lisa Lin.

Description：

The ABB 1SDA073674R1/1SDA073687R1 Shunt Release units are high-performance circuit breaker accessories used for remote opening and closing control of ABB low-voltage power circuit breakers. These modules are widely applied in industrial power distribution systems, panels, motor control centers, and critical electrical protection applications requiring reliable remote operation and emergency tripping functions.

Specification：

Frequently asked questions

Q1: What is the ABB 1SDA073674R1/1SDA073687R1 Shunt Opening Release?

A1: It is a shunt opening release accessory used in ABB circuit breaker systems for remote electrical tripping and protection control applications.

Q2: What is the 1SDA073674R1/1SDA073687R1 rated DC voltage of this device?

A2: The 1SDA073674R1/1SDA073687R1 rated DC voltage is 220 VDC.

Q3: What is the 1SDA073674R1/1SDA073687R1 AC instant startup power requirement?

A3: The 1SDA073674R1/1SDA073687R1 AC instant startup power is 300 VA.

Q4: What is the 1SDA073674R1/1SDA073687R1 closing time specification?

A4: The 1SDA073674R1/1SDA073687R1 closing time (YC) is less than or equal to 50 ms.

Q5: What is the 1SDA073674R1/1SDA073687R1 operating temperature range?

A5: The 1SDA073674R1/1SDA073687R1 operating temperature range is -25°C to +70°C.

Product Applications

Automotive manufacturing and heavy industry plants: Main power distribution cabinets for large, high-energy-consuming workshops such as stamping, welding, and painting.

Semiconductor and electronic chip plants (FAB): Low-voltage power distribution systems for cleanrooms and power supply workshops (refrigeration rooms, pure water systems).

Petrochemical and fine chemical plants: Incoming lines and bus tie switchgear outside explosion-proof areas and for the power control center (MCC).

Smart water and wastewater treatment plants: Power distribution boxes for pump rooms and main control cabinets for blower rooms.