Solid-State Smart Circuit Breakers (SSPC)
Power Rider solid-state circuit breakers (SSPC) combine protection, monitoring and control in one device. Ratings from 25 A to 150 A at 9–48 VDC, with CAN bus and RS485 for vehicles, robotics and power systems.
Our Smart Circuit Breakers

Power Rider 150A
High-Current Smart Circuit Breaker with Intelligent Management up to 150A

Power Rider High Voltage
High Voltage Smart Circuit Breaker for Advanced Power Systems


Compare solid-state circuit breakers
Continuous current, voltage range, interfaces and operating temperature for each Power Rider solid-state circuit breaker (SSPC).
| Product | Continuous current | Voltage range | Interfaces | Operating temperature | Notable function |
|---|---|---|---|---|---|
| Power Rider 150A | 150 A | 9–48 VDC (abs. max 55 VDC) | CAN bus (50 kbps to 1 Mbps), RS-485 | −40 to +85 °C | Circuit breaker, relay and contactor in one unit |
| Power Rider High Voltage | — | up to 400 VDC | CAN bus, RS-485 | −40 to +85 °C | — |
| Power Rider 25A | 25 A | 9–48 VDC (abs. max 55 VDC) | CAN bus, RS-485 | −40 to +85 °C | — |
| Power Rider 80A | 80 A | 9–48 VDC (abs. max 55 VDC) | CAN bus, RS-485 | −40 to +85 °C | — |
Values as listed on each product page. — means not stated in the product data.
Related guides: Solid-state power controllers vs fuses and relays · UGV electrical architecture
Smart Circuit Breaker Technologies
Solid-State Architecture
Advanced semiconductor technology eliminates mechanical wear and tear, providing faster response times and extended operational life compared to conventional circuit breakers.
Intelligent Protection
Multi-layer protection with software intelligence (I²t, over-current, over-voltage) and hardware fault isolation with microsecond response times.
Real-Time Monitoring
Comprehensive monitoring of input/output voltage, load current, and temperature with detailed analytics and diagnostic capabilities.
Multi-Functionality
Combines the functionality of circuit breaker, relay, and contactor in one compact device, reducing system complexity and installation space.
Advanced Communication
Seamless integration with system controllers via CAN bus, RS485, and other protocols, enabling remote management and diagnostics.
Configurable Logic
User-defined parameters for channel behavior, fault handling, and recovery strategies for tailored operation in specific applications.
Key Applications
Our smart circuit breakers deliver exceptional performance across a wide range of industries and applications
Automotive & EV
Advanced protection for electric vehicles and automotive systems, with high reliability in harsh environments.
- Battery management systems
- Power distribution units
- EV charging infrastructure
Military & Defense
Ruggedized solutions for mission-critical applications in extreme environments, with military-grade reliability.
- Tactical vehicles and platforms
- Command and control systems
- Field deployable equipment
Industrial & Energy
Smart power management for industrial automation and renewable energy systems with advanced monitoring.
- Renewable energy systems
- Manufacturing equipment
- Smart grid and energy storage
Frequently Asked Questions
What are the advantages of solid-state circuit breakers over mechanical ones?
Solid-state circuit breakers eliminate mechanical wear, offer microsecond response times (vs milliseconds for mechanical), provide precise electronic control, enable remote monitoring and configuration, and combine breaker, relay, and contactor functions in one device. They're also more reliable in high-vibration environments.
How fast does a Power Rider circuit breaker respond to faults?
Our smart circuit breakers feature hardware cutoff protection as fast as 350 nanoseconds for short circuits. Software-based protections using I²t algorithms respond in microseconds. This rapid response prevents damage to sensitive electronics and connected equipment.
Can I monitor circuit breaker status remotely?
Yes, all Power Rider circuit breakers support CAN bus and/or RS485 communication for remote monitoring and control. You can read real-time voltage, current, temperature, and status information, configure parameters, and trigger operations remotely through your system controller.
What current ratings are available?
We offer circuit breakers from 25A to 150A continuous current ratings. The 25A model suits compact installations, the 80A handles high-current industrial systems, and the 150A serves electric vehicles and heavy machinery. The High Voltage model supports up to 30A at 800VDC.
Are these suitable for electric vehicle battery management?
Absolutely. Our circuit breakers are extensively used in EV applications for battery pack protection, charging systems, and high-voltage distribution. The High Voltage model is specifically designed for EV battery systems operating up to 800VDC with advanced isolation and safety features.
What does I²t protection mean?
I²t (current squared time) protection calculates thermal energy based on current flow over time. This intelligent algorithm prevents nuisance trips from temporary surges while protecting against sustained overcurrent conditions. It's more sophisticated than simple current threshold detection and better protects your equipment.
Need Technical Assistance?
Our team of experts is ready to discuss how our smart circuit breaker solutions can meet your specific application requirements.