ABB S303P-Z32 three-pole miniature circuit breaker with a 32 A rated current, Type Z tripping characteristic and 25 kA breaking capacity at 415 V AC for sensitive industrial circuit protection.
£203.91
The ABB S303P-Z32 (2CDS383001R0538) is a high-performance three-pole miniature circuit breaker (MCB) designed to protect industrial electrical installations against overloads and short circuits. As part of the advanced ABB S300P series, it combines rapid fault response, robust construction and dependable switching performance for sensitive three-phase circuits.
Manufactured in accordance with recognised IEC and UL standards, the S303P-Z32 is suitable for installation in industrial control panels, switchgear assemblies and power distribution systems. Its compact modular design, fail-safe bi-directional terminals and flexible top or bottom supply connection help simplify installation and improve wiring security.
With a rated current of 32 A, a Type Z tripping characteristic and a rated ultimate short-circuit breaking capacity of 25 kA at 415 V AC, the S303P-Z32 is particularly suitable for protecting sensitive electronic equipment, PLC systems, instrumentation and semiconductor-based loads requiring fast fault disconnection.
The ABB S303P-Z32 automatically disconnects the electrical supply when excessive current is caused by an overload or short circuit. This helps protect cables, control equipment and connected devices while reducing the risk of component damage, production interruptions and unplanned downtime.
Its Type Z tripping characteristic provides rapid magnetic operation at relatively low fault-current levels. This makes the breaker especially suitable for sensitive electronic circuits, semiconductor devices, instrumentation and automation equipment where fast disconnection is essential.
| Current | 32 A |
|---|---|
| Phase | Three Phase |
| Manufacturer | ABB |
| Series | S300P |
| Model | S303P-Z32 |
| Product ID | 2CDS383001R0538 |
| EAN | 4016779077637 |
| Product type | Miniature circuit breaker (MCB) |
| Rated current | 32 A |
| Number of poles | 3 |
| Number of protected poles | 3 |
| Tripping characteristic | Type Z |
| Rated AC voltage | 415 V AC |
| Maximum AC voltage | 480Y / 277 V AC |
| Maximum DC voltage | 125 V DC |
| Rated ultimate breaking capacity | 25 kA at 415 V AC |
| Breaking capacity at 440 V AC | 15 kA |
| Dielectric test voltage | 2 kV at 50 / 60 Hz for 1 minute |
| Terminal type | Fail-safe cylinder-lift screw terminal |
| Flexible conductor capacity | 0.75–25 mm² |
| Rigid conductor capacity | Up to 35 mm² |
| Tightening torque | 2.8 N·m |
| Electrical endurance | 10,000 operating cycles |
| Mechanical endurance | 20,000 operating cycles |
| Protection rating | IP20 |
| Mounting type | DIN rail |
| Modular width | 3 modules |
| HS Code | 85362010 |
| Country of Manufacture | Germany |
The S303P-Z32 protects sensitive three-phase industrial circuits against overloads and short circuits, including circuits supplying PLCs, instrumentation and electronic control equipment.
The ABB S303P-Z32 has a rated current of 32 A.
Type Z circuit breakers provide rapid disconnection at relatively low fault-current levels, making them suitable for protecting sensitive electronic and semiconductor equipment.
The breaker has a rated ultimate short-circuit breaking capacity of 25 kA at 415 V AC and 15 kA at 440 V AC.
The breaker mounts onto a standard DIN rail and supports top or bottom supply connection using cables or compatible busbars.
ABB S300P miniature circuit breakers are trusted by electrical engineers, panel builders and OEM manufacturers for dependable circuit protection, high breaking performance and reliable operation in demanding industrial installations.
● Service Agreements
Credit Accounts
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
● frequently asked questions
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
● latest blog
LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...