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2CDS381103R0087 ABB S301P-K0.2NA Miniature Circuit Breaker – 1+NP – K – 0.2 A
ABB S301P-K0.2NA 1P+N miniature circuit breaker with 0.2 A rating, K tripping characteristic and 25 kA short-circuit breaking capacity for specialised industrial control circuits.
£62.75
Why Choose the ABB 2CDS381103R0087 Miniature Circuit Breaker?
The ABB 2CDS381103R0087, designated S301P-K0.2NA, is a specialist 1P+N miniature circuit breaker from the ABB System pro M compact S300P range. Featuring a 0.2 A rated current and a K tripping characteristic, it has been specifically developed to protect highly sensitive industrial circuits that experience very high transient inrush currents whilst still requiring dependable overload and short-circuit protection.
The K characteristic combines a higher instantaneous magnetic trip threshold than standard Type C devices with precise thermal protection, making it particularly suitable for transformers, solenoid valves, control relays, contactors and other inductive loads. Simultaneous switching of the neutral conductor also provides improved circuit isolation during maintenance.
With a 25 kA rated short-circuit breaking capacity, robust industrial construction and compatibility with the ABB System pro M compact accessory range, the S301P-K0.2NA is an excellent solution for protecting specialised low-current control and automation circuits.
Key Advantages
- Specialist 1P+N miniature circuit breaker with switched neutral.
- 0.2 A rated current for very low-current industrial circuits.
- K tripping characteristic designed for high inrush inductive loads.
- 25 kA short-circuit breaking capacity.
- High immunity to nuisance tripping during equipment energisation.
- Fully compatible with ABB System pro M compact accessories.
Key Features
- ABB System pro M compact S300P series.
- Model: S301P-K0.2NA.
- 1 protected pole with switched neutral (1P+N).
- Rated current: 0.2 A.
- K tripping characteristic.
- Thermal overload protection.
- Electromagnetic short-circuit protection.
- Integrated trip indication.
- Top or bottom supply connection.
- 35 mm DIN rail mounting.
Engineered for Sensitive Industrial Control Circuits
Unlike standard Type B or Type C miniature circuit breakers, the ABB S301P-K0.2NA is designed specifically for circuits supplying inductive components that generate high momentary starting currents. The higher magnetic trip threshold of the K characteristic significantly reduces nuisance tripping whilst maintaining excellent protection against genuine overload and fault conditions.
Its exceptionally low 0.2 A current rating makes it particularly suitable for specialised instrumentation, electronic control systems, transformer secondary protection and precision industrial equipment where reliable low-current protection is essential.
Typical Applications
- Transformer secondary protection.
- Industrial control transformers.
- PLC input and output circuits.
- Solenoid valves.
- Relay and contactor control circuits.
- Instrumentation and monitoring equipment.
- Laboratory and process control systems.
- OEM machinery.
Technical Specifications
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| Current | 0.2 A | |
|---|---|---|
| Phase | Single Phase | |
| Device Type | MCB | |
| Trip Curve | K curve | |
| Breaking Capacity | 25 kA | |
| Manufacturer | ABB | |
| Series | System pro M compact S300P | |
| Extended Product Type | S301P-K0.2NA | |
| Manufacturer Part Number | 2CDS381103R0087 | |
| Product Type | Miniature Circuit Breaker | |
| Configuration | 1P+N | |
| Protected Poles | 1 | |
| Rated Current | 0.2 A | |
| Tripping Characteristic | K | |
| Magnetic Tripping Range | 8–12 × In | |
| Rated Operational Voltage | 240 V AC / 72 V DC | |
| Rated Frequency | 50 / 60 Hz and DC | |
| Rated Short-Circuit Breaking Capacity (Icn) | 25 kA | |
| Rated Service Breaking Capacity (Ics) | 12.5 kA | |
| Rated Insulation Voltage (Ui) | 500 V | |
| Rated Impulse Withstand Voltage (Uimp) | 6 kV | |
| Minimum Operating Voltage | 12 V AC/DC | |
| Overvoltage Category | IV | |
| Pollution Degree | 3 | |
| Protection Rating | IP20 (IP40 when installed in an enclosure) | |
| Terminal Capacity | 0.75–35 mm² rigid, 0.75–25 mm² flexible | |
| Mechanical Endurance | 20,000 operations | |
| Operating Temperature | -40°C to +70°C | |
| Mounting | 35 mm DIN rail | |
| Dimensions (H × W × D) | Approx. 88 × 35 × 69 mm | |
| Weight | Approx. 0.248 kg | |
| EAN | 4016779079761 | |
| Standards | IEC/EN 60898-1, IEC/EN 60947-2, UL 1077, CSA 22.2 No.235 | |
| HS Code | 85362010 | |
| Country of Manufacture | Germany |
Frequently Asked Questions
What is the ABB 2CDS381103R0087 used for?
It is designed to protect very low-current industrial circuits, particularly inductive loads such as transformers, relays, solenoids and specialised control equipment.
What is the rated current?
The ABB S301P-K0.2NA has a rated current of 0.2 A.
What is a K characteristic circuit breaker?
A K characteristic miniature circuit breaker has a higher instantaneous magnetic trip setting (typically 8–12 × rated current), making it ideal for circuits with high inrush currents from inductive equipment.
What is the breaking capacity?
The device provides a 25 kA rated short-circuit breaking capacity and a 12.5 kA rated service breaking capacity.
Why choose a 1P+N configuration?
A 1P+N device protects the live conductor whilst simultaneously switching the neutral conductor, providing improved isolation during servicing and maintenance.
Trusted by Electrical Professionals Worldwide
ABB System pro M compact miniature circuit breakers are trusted globally by machine builders, industrial panel manufacturers and electrical engineers for delivering exceptional reliability, high fault interruption performance and compliance with international industrial standards.
