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2CDS383103R0488 ABB S303P-Z20NA Miniature Circuit Breaker - 3+NP - Z - 20 A
MPN: 2CDS383103R0488
Alt. SKU: S303P-Z20NA
Special Price
£134.46
£112.05
Regular Price
£244.46
This product replaces this item:
Why Choose the S303P-Z20NA [2CDS383103R0488]
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.
- Voltage Ratings: Rated operating voltage up to 480Y/277 V AC, 125 V DC.
- Breaking Capacity: Up to 25 kA at 400/415 V AC, 15 kA at 440 V AC, 10 kA at 125 V DC and 480Y/277 V AC (UL1077 rated).
- Contact Configuration: 3-pole plus neutral (3P+N) with red ON / green OFF indication.
- Terminal Type and Size: Failsafe bi-directional cylinder-lift screw terminals; compatible with busbar 10/10 mm², flexible 0.75–25 mm², rigid 0.75–35 mm² conductors.
- Insulation & Dielectric Rating: Insulation Group II; dielectric test voltage 2 kV at 50/60 Hz for 1 minute.
- Mechanical & Electrical Endurance: 20,000 operating cycles each.
- Actuator: Toggle type with I/O marking, black insulation, 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 are the voltage ratings for the MCBs S300P series?
The rated operating voltage is up to 480Y/277 V AC and 125 V DC.
What is the breaking capacity of the MCBs S300P series?
The breaking capacity is up to 25 kA at 400/415 V AC, 15 kA at 440 V AC, and 10 kA at 125 V DC and 480Y/277 V AC (UL1077 rated).
What type of terminals does the MCBs S300P series use?
It features failsafe bi-directional cylinder-lift screw terminals compatible with busbar 10/10 mm², flexible 0.75–25 mm², and rigid 0.75–35 mm² conductors.
What is the mechanical and electrical endurance of the MCBs S300P series?
The device has a mechanical and electrical endurance of 20,000 operating cycles each.
What is the insulation and dielectric rating for the MCBs S300P series?
It has an insulation group of II and a dielectric test voltage of 2 kV at 50/60 Hz for 1 minute.
What standards does the MCBs S300P series conform to?
See the manufacturer's data sheet for standards and approvals.
| Manufacturer Part Number | 2CDS383103R0488 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 4016779135610 |
| Product Image | For Illustration Purposes Only |
| Manufacturer | ABB |
| Number of Poles | 3 Pole + N |
| Amperage | 20A |
| Alternative Product SKU | S303P-Z20NA |
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