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Siemens SENTRON 3VA9978-0BA23

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3VA9978-0BA23

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The Siemens 3VA9978-0BA23, part of the SENTRON series, is a shunt trip flexible device designed for industrial applications. It offers a surge voltage resistance of 4 kV and consumes a maximum apparent power of 720 VA, making it suitable for a range of electrical environments.

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Technical specifications for 3VA9978-0BA23

ManufacturerSiemens
Product TypeShunt Trip Flexible
Product LineSENTRON
Part Number3VA9978-0BA23
UPC804766323560
Surge Voltage Resistance4 kV
Apparent Power Consumption/Maximum720 VA
Overvoltage CategoryIII
Number of Slots3 Slots
Tightening Torque (Screw-Type Terminals, Minimum)0.4 N·m
Tightening Torque (Screw-Type Terminals, Maximum)0.5 N·m
Stripped Length (IEC)10 mm
Connectable Conductor Cross-Section16 AWG Maximum
Stripped Length (UL)0.4 in
Tightening Torque (UL Screw-Type Terminals, Minimum)3.5 lbf·in
Tightening Torque (UL Screw-Type Terminals, Maximum)4.4 lbf·in
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The 3VA9978-0BA23 shunt trip flexible device by Siemens is engineered to meet various electrical requirements efficiently. Capable of withstanding a surge voltage of up to 4 kV, this product is well-suited for heavy-duty applications. The maximum apparent power consumption is rated at 720 VA, providing significant operational support.

Designed with three slots, the 3VA9978-0BA23 allows for flexible installation options. For connecting conductors, it accommodates a maximum cross-section of 16 AWG, ensuring versatility in wiring setups. It requires proper stripping of wire lengths, adhering to IEC standards of 10 mm and UL specifications of 0.4 inches.

Tightening torque specifications are critical for secure connections. For IEC screw-type terminals, a minimum tightening torque of 0.4 N·m and a maximum of 0.5 N·m is recommended. In contrast, UL standards recommend a tightening torque range of 3.5 lbf·in minimum and 4.4 lbf·in maximum. This device falls into overvoltage category III, emphasizing its reliability across various electrical installations.