Why Choose the ABB 2CDS383103R0608 S303P-Z63NA Miniature Circuit Breaker?
The ABB 2CDS383103R0608, also identified as the S303P-Z63NA, is a premium miniature circuit breaker (MCB) engineered to provide dependable protection against overloads and short circuits in industrial electrical installations. As part of the trusted ABB System pro M compact S300P series, it delivers outstanding reliability, a high short-circuit breaking capacity and compliance with international IEC and UL standards for demanding industrial environments.
Featuring a Type Z tripping characteristic, this circuit breaker is specifically designed to protect sensitive electronic equipment, semiconductor devices, PLCs, instrumentation and precision control circuits. Its rapid magnetic trip response minimises fault energy while providing dependable overload protection for valuable equipment.
With a rated current of 63 A, a 3P+N configuration and a rated operational voltage of up to 415 V AC, the S303P-Z63NA is ideal for industrial control panels, switchboards and OEM machinery. Its 25 kA ultimate breaking capacity, compact DIN rail mounting and industrial-grade construction make it suitable for demanding applications.
Key Advantages
- Industrial miniature circuit breaker for overload and short-circuit protection.
- 63 A rated current for demanding industrial electrical systems.
- 3P+N pole configuration for three-phase systems with neutral.
- Type Z tripping characteristic for sensitive electronic equipment.
- 25 kA ultimate short-circuit breaking capacity.
- Fast magnetic tripping reduces the risk of equipment damage.
- Bi-directional terminals simplify installation.
- Compatible with ABB System pro M compact accessories.
Key Features
- ABB System pro M compact S300P series.
- S303P-Z63NA model.
- 63 A rated current.
- 415 V AC rated operational voltage.
- 3P+N pole arrangement.
- Type Z tripping characteristic.
- 25 kA ultimate short-circuit breaking capacity.
- 50 / 60 Hz operation.
- 35 mm DIN rail mounting.
- Contact position and trip indication.
Reliable Protection for Sensitive Electrical Equipment
The ABB S303P-Z63NA automatically disconnects electrical circuits whenever overload or short-circuit conditions occur, helping protect wiring, industrial control equipment and connected electronic devices. Its industrial-grade construction provides dependable long-term performance in demanding environments.
Its Type Z tripping characteristic is intended for circuits supplying sensitive electronic equipment requiring rapid fault clearance. This makes it an excellent choice for PLC systems, instrumentation, semiconductor devices, communication systems and precision automation equipment.
Typical Applications
- Industrial control panels.
- PLC and automation systems.
- Electronic control equipment.
- Instrumentation and semiconductor circuits.
- Commercial electrical distribution.
- Factory automation.
- OEM machinery and machine building.
