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2CDS383103R0255 ABB S303P-B25NA Miniature Circuit Breaker - 3+NP - B - 25 A
MPN: 2CDS383103R0255
Alt. SKU: S303P-B25NA
Special Price
£95.20
£79.33
Regular Price
£173.09
This product replaces this item:
Why Choose the S303P-B25NA [2CDS383103R0255]
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 for industrial applications.
- Rated Ultimate Short-Circuit Breaking Capacity (Icu): 25 kA at 415 V AC, 15 kA at 440 V AC.
- Number of Poles: 3P+N with neutral terminal on the right.
- Maximum Operating Voltage: 480Y/277 V AC, 125 V DC (UL/CSA rated).
- Contact Position Indication: Red ON / Green OFF for clear status visibility.
- Terminal Type and Size Range: Screw terminals, compatible with flexible 0.75–25 mm² and rigid 0.75–35 mm² conductors.
- Mechanical and Electrical Endurance: 20,000 cycles each.
- Tightening Torque: 2.8 N·m (18 in·lbf for UL/CSA terminals).
- Dielectric Test Voltage: 2 kV at 50/60 Hz for 1 minute.
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"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 applications.
What is the rated ultimate short-circuit breaking capacity?
The rated ultimate short-circuit breaking capacity is 25 kA at 415 V AC and 15 kA at 440 V AC.
What is the maximum operating voltage for the MCBs S300P?
The maximum operating voltage is 480Y/277 V AC and 125 V DC (UL/CSA rated).
What type of terminals does the MCBs S300P series use?
It uses screw terminals compatible with flexible conductors of 0.75–25 mm² and rigid conductors of 0.75–35 mm².
How many poles does the MCBs S300P have?
The MCBs S300P series has a configuration of 3P+N with the neutral terminal on the right.
What is the tightening torque for the terminals?
The tightening torque is 2.8 N·m (18 in·lbf for UL/CSA terminals).
What standards does the MCBs S300P series comply with?
See the manufacturer's data sheet for standards and approvals.
| Manufacturer Part Number | 2CDS383103R0255 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 4016779077156 |
| HS Code | 85362010 |
| Country of Manufacture | Germany |
| Manufacturer | ABB |
| Number of Poles | 3 Pole + N |
| Amperage | 25A |
| Alternative Product SKU | S303P-B25NA |
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