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2CDS383103R0505 ABB S303P-B50NA Miniature Circuit Breaker - 3+NP - B - 50 A
MPN: 2CDS383103R0505
Alt. SKU: S303P-B50NA
Special Price
£118.99
£99.16
Regular Price
£216.35
This product replaces this item:
Why Choose the S303P-B50NA [2CDS383103R0505]
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.
- Number of Poles: 3P+N with neutral terminal on the right.
- Maximum Operating Voltage: 480Y/277 V AC, 125 V DC.
- Contact Position Indication: Red ON / Green OFF.
- Terminal Type and Capacity: Screw terminals; flexible 0.75–25 mm², rigid 0.75–35 mm², busbar 10/10 mm².
- Dielectric Test Voltage: 2 kV (50/60 Hz, 1 min).
- Electrical Endurance: 10,000 AC cycles; Mechanical Endurance: 20,000 cycles.
- Actuator Type and Material: Toggle; Insulation Group II, black, sealable.
- Tightening Torque: 2.8 N·m (standard), 18 in·lb for UL/CSA terminals.
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 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 is the terminal capacity for the MCBs S300P series?
The terminal capacity is flexible 0.75–25 mm², rigid 0.75–35 mm², and busbar 10/10 mm².
How many poles does the MCBs S300P series have?
The MCBs S300P series has 3 poles plus a neutral terminal on the right.
What are the electrical and mechanical endurance ratings?
The electrical endurance is rated for 10,000 AC cycles, and the mechanical endurance is rated for 20,000 cycles.
What standards does the MCBs S300P series comply with?
See the manufacturer's data sheet for standards and approvals.
| Manufacturer Part Number | 2CDS383103R0505 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 4016779076876 |
| HS Code | 85362010 |
| Country of Manufacture | Germany |
| Manufacturer | ABB |
| Number of Poles | 3 Pole + N |
| Amperage | 50A |
| Alternative Product SKU | S303P-B50NA |
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