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2CDS383103R0337 ABB S303P-K4NA Miniature Circuit Breaker - 3+NP - K - 4 A
MPN: 2CDS383103R0337
Alt. SKU: S303P-K4NA
Special Price
£141.10
£117.58
Regular Price
£256.55
This product replaces this item:
Why Choose the S303P-K4NA [2CDS383103R0337]
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.
- Rated Ultimate Short-Circuit Breaking Capacity: 100 kA at 400 V AC, 415 V AC, 440 V AC; 25 kA at 72 V DC.
- Poles: 3P+N with neutral terminal positioned on the right.
- Electrical Endurance: 20,000 AC cycles.
- Mechanical Endurance: 20,000 cycles.
- Actuator Type: Toggle with red ON / green OFF indication; sealable black insulation.
- Terminal Type and Capacity: Screw terminals for busbar 10/10 mm², flexible 0.75–25 mm², rigid up to 35 mm² conductors.
- Tightening Torque: 2.8 N·m (standard), 18 in·lb (UL/CSA).
- Dielectric Test Voltage: 2 kV at 50/60 Hz for 1 minute.
Trusted By Customers Worldwide
"Specified by UK panel builders for dependable control." Controls Engineer, UK
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?
The rated ultimate short-circuit breaking capacity is 100 kA at 400 V AC, 415 V AC, 440 V AC, and 25 kA at 72 V DC.
How many poles does the MCBs S300P series have?
The MCBs S300P series features a 3P+N configuration with the neutral terminal positioned on the right.
What is the tightening torque for the terminals?
The tightening torque is 2.8 N·m (standard) or 18 in·lb (UL/CSA).
What types of conductors can be used with the terminals?
The terminals accept screw terminals for busbar 10/10 mm², flexible conductors from 0.75–25 mm², and rigid conductors up to 35 mm².
What is the electrical endurance of the MCBs S300P series?
The electrical endurance is rated for 20,000 AC cycles.
Is there any conformity information available?
See the manufacturer's data sheet for standards and approvals.
| Manufacturer Part Number | 2CDS383103R0337 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 4016779077057 |
| Product Image | For Illustration Purposes Only |
| Manufacturer | ABB |
| Number of Poles | 3 Pole + N |
| Amperage | 4A |
| Alternative Product SKU | S303P-K4NA |
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