WAGO Electronic Circuit Breaker 787-3861/004-1020 1-Channel 24V DC 10A

The WAGO 787-3861/004-1020 is a high-performance electronic circuit breaker designed for reliable overcurrent and short-circuit protection in industrial control systems. With a single channel rated at 10A and a nominal input voltage of 24V DC, this device offers precise adjustable current limiting from 1A to 10A, ensuring optimal protection for sensitive loads. Its compact DIN-rail mount design and push-in CAGE CLAMP® technology enable fast, tool-free wiring, reducing installation time and maintenance costs.

Advantages

This electronic circuit breaker provides several key benefits: adjustable trip current allows customization for various load requirements; fast tripping characteristics protect against short circuits; manual and remote reset functions offer flexibility in system management; multi-color LED status indication (green/red/yellow) provides clear visual feedback; and high efficiency (>98%) minimizes power loss. The device is also approved to CE, UL, cULus, and GL standards, ensuring global compliance.

Suitable for

• Industrial automation and control panels
• PLC and sensor power distribution
• 24V DC auxiliary circuits in machinery
• Building automation systems
• Process control equipment

Key specifications

• Input voltage: DC 24 V (range 18...30 V)
• Rated output current: 10 A (adjustable 1...10 A)
• Number of channels: 1
• Protection type: Electronic overcurrent, short-circuit
• Tripping characteristic: Fast (short-circuit), adjustable (overload)
• Mounting type: DIN-rail adapter
• Connection technology: Push-in CAGE CLAMP®
• Conductor size: 0.2...2.5 mm² (24...12 AWG)
• Operating temperature: -25...+70 °C
• Degree of protection: IP20
• Efficiency: >98%
• Power loss: <1.5 W (at 10 A)
• Reset function: Manual, remote
• Approvals: CE, UL, cULus, GL
• Isolation voltage: 500 V (input/output to housing)

Recommendations

For optimal performance, pair this circuit breaker with WAGO's 24V DC power supplies and distribution modules. Ensure proper ventilation and adhere to the specified operating temperature range. The adjustable current feature allows fine-tuning for specific load requirements, enhancing system reliability.