We use cookies to make your experience better. To comply with the new e-Privacy directive, we need to ask for your consent to set the cookies. Learn more.
2CDS383103R0578 ABB S303P-Z50NA Miniature Circuit Breaker - 3+NP - Z - 50 A
MPN: 2CDS383103R0578
Alt. SKU: S303P-Z50NA
Special Price
£175.32
£146.10
Regular Price
£318.77
This product replaces this item:
Why Choose the S303P-Z50NA [2CDS383103R0578]
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 circuit 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.
- Contact Configuration: 3 poles + neutral (3P+N) with contact position indication (Red ON / Green OFF).
- Rated Voltage: Maximum 480Y / 277 V AC and 125 V DC (UL/CSA rated).
- Terminal Type and Connection Capacity: Screw terminals; busbar 10/10 mm², flexible and rigid wires 0.75 to 35 mm².
- Electrical Endurance: 10,000 AC cycles.
- Mechanical Endurance: 20,000 cycles.
- Actuator: Toggle type, black insulation group II, sealable, I/O marking.
- Tightening Torque: 2.8 N·m (standard), 18 in·lb (UL/CSA).
- Dielectric Test Voltage: 2 kV, 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 25 kA at 415 V AC, 15 kA at 440 V AC, and 25 kA at 400 V AC.
What is the terminal type and connection capacity for this product?
The MCB features screw terminals with a busbar capacity of 10/10 mm² and can accommodate flexible and rigid wires from 0.75 to 35 mm².
What are the electrical and mechanical endurance ratings?
The electrical endurance is rated for 10,000 AC cycles, while the mechanical endurance is rated for 20,000 cycles.
What is the tightening torque specification for the terminals?
The tightening torque is 2.8 N·m (standard) and 18 in·lb (UL/CSA).
What is the maximum rated voltage for the MCBs S300P series?
The maximum rated voltage is 480Y / 277 V AC and 125 V DC (UL/CSA rated).
Is the MCB compliant with any standards?
See the manufacturer's data sheet for standards and approvals.
| Manufacturer Part Number | 2CDS383103R0578 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 4016779076791 |
| Product Image | For Illustration Purposes Only |
| Manufacturer | ABB |
| Number of Poles | 3 Pole + N |
| Amperage | 50A |
| Alternative Product SKU | S303P-Z50NA |
Write Your Own Review
