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2CDS383103R0487 ABB S303P-K20NA Miniature Circuit Breaker - 3+NP - K - 20 A

MPN: 2CDS383103R0487

Alt. SKU: S303P-K20NA

Special Price £129.83 £108.19 Regular Price £236.04

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Why Choose the S303P-K20NA [2CDS383103R0487]

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: Protection against overload and short circuits in industrial installations.
  • Rated Ultimate Short-Circuit Breaking Capacity: 25 kA at 415 V AC, 15 kA at 440 V AC, 25 kA at 400 V AC.
  • Voltage Rating: Maximum operating voltage 480Y / 277 V AC, 125 V DC.
  • Contact Configuration: 3 poles plus neutral (3P+N) with neutral terminal on right.
  • Actuator Type: Toggle with red ON / green OFF indication, sealable black insulation.
  • Terminal Type and Size Range: Screw terminals suitable for busbar 10/10 mm², flexible cables 0.75–25 mm², rigid and stranded cables 0.75–35 mm².
  • Electrical and Mechanical Endurance: 20,000 AC cycles and 20,000 mechanical cycles.
  • 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 rated ultimate short-circuit breaking capacity?
It is 25 kA at 415 V AC, 15 kA at 440 V AC, and 25 kA at 400 V AC.
What is the maximum operating voltage for this product?
The maximum operating voltage is 480Y / 277 V AC and 125 V DC.
What type of contact configuration does the MCBs S300P series have?
It features a 3 poles plus neutral (3P+N) configuration with the neutral terminal on the right.
What is the cable capacity for the terminals?
The screw terminals are suitable for busbar 10/10 mm², flexible cables 0.75–25 mm², and rigid and stranded cables 0.75–35 mm².
What is the electrical endurance rating of the MCBs S300P series?
It has an electrical endurance of 20,000 AC cycles and a mechanical endurance of 20,000 cycles.
What standards does the MCBs S300P series comply with?
See the manufacturer's data sheet for standards and approvals.
More Information
Manufacturer Part Number 2CDS383103R0487
Packed Quantity 1
Barcode 4016779076913
HS Code 85362010
Country of Manufacture Germany
Manufacturer ABB
Number of Poles 3 Pole + N
Amperage 20A
Alternative Product SKU S303P-K20NA
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