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2CDS383103R0557 ABB S303P-K40NA Miniature Circuit Breaker - 3+NP - K - 40 A

MPN: 2CDS383103R0557

Alt. SKU: S303P-K40NA

Special Price £151.97 £126.64 Regular Price £276.31

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Why Choose the S303P-K40NA [2CDS383103R0557]

The MCBs S300P series assures protection in industrial installations against overload and short circuits. This product is manufactured according to international IEC and UL standards, for the markets where it is required.

Technical Specification

  • Function: Provides protection against overload and short circuits in industrial installations.
  • Voltage Rating: Maximum operating voltage 480Y/277 V AC, 125 V DC.
  • Breaking Capacity: Ultimate short-circuit breaking capacity up to 40 kA at 240 V AC.
  • Contact Configuration: 3 poles + neutral (3P+N) with neutral terminal positioned on right.
  • Terminal Type: Screw terminals with failsafe bi-directional cylinder-lift design.
  • Connecting Capacity: Suitable for wires 0.75 to 35 mm² flexible or rigid, and busbars 10/10 mm².
  • Electrical Endurance: 10,000 AC cycles; Mechanical endurance: 20,000 cycles.
  • Actuator: Toggle type, black insulation, sealable, with I/O marking and red/green contact position indication.
  • Dielectric Test Voltage: 2 kV at 50/60 Hz for 1 minute.
  • Tightening Torque: 2.8 N·m (18 in·lb for UL/CSA).

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Frequently Asked Questions

What is the primary function of the MCBs S300P series?
The MCBs S300P series provides protection against overload and short circuits in industrial installations.
What is the maximum operating voltage for this product?
The maximum operating voltage is 480Y/277 V AC and 125 V DC.
What is the ultimate short-circuit breaking capacity?
The ultimate short-circuit breaking capacity is up to 40 kA at 240 V AC.
What is the suitable cable capacity for the terminals?
The terminals are suitable for wires ranging from 0.75 to 35 mm² flexible or rigid, and busbars of 10/10 mm².
How many poles does the MCB S300P series have?
The MCB S300P series has a contact configuration of 3 poles plus neutral (3P+N).
What is the tightening torque for the terminals?
The tightening torque is 2.8 N·m (18 in·lb for UL/CSA).
What standards does the MCB S300P series conform to?
See the manufacturer's data sheet for standards and approvals.
More Information
Manufacturer Part Number 2CDS383103R0557
Packed Quantity 1
Barcode 4016779076821
HS Code 85362010
Country of Manufacture Germany
Manufacturer ABB
Number of Poles 3 Pole + N
Amperage 40A
Alternative Product SKU S303P-K40NA
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