ABB SPAJ 142 C-AA Overcurrent Relay – Precision Industrial Protection
Engineered for precision and durability, the ABB SPAJ 142 C-AA overcurrent relay delivers critical circuit protection in industrial automation systems. This compact yet robust relay ensures reliable overcurrent detection and response, safeguarding machinery and processes in demanding environments.

Key Features
- SPDT Switch Configuration: Enables flexible circuit control with single-pole double-throw switching for optimized electrical management.
- High Cycle Durability: Rated for ≥100,000 operational cycles, ensuring long-term reliability with minimal maintenance requirements.
- Wide Operating Range: Functions flawlessly from -40°C to +70°C, suitable for extreme industrial environments.
- Fast Response Time: Switching speed ≤20 ms guarantees immediate overcurrent protection to prevent system damage.
- Global Safety Compliance: Certified to CE and UL standards for electrical safety and international regulatory compliance.
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand/Model | ABB SPAJ 142 C-AA |
| Power Requirements | 24 VDC / 115 VAC |
| Current Rating | 10 A max |
| Operating Temp | -40°C to +70°C |
| Protection Class | IP20 |
Application Fields
This relay excels in factory automation, power generation facilities, and process control systems. Common applications include motor protection, transformer monitoring, and safeguarding critical industrial equipment in environments with voltage fluctuations or thermal stress.
Main Product Brands & Models
Our industrial control portfolio includes leading brands such as ABB (DSQC series, PM866), GE Fanuc (VMIVME-7807, IC698CPE010), Bently Nevada (3500/44, 3300/15), Foxboro (FBM204, FCP270), Triconex (3720, 3805E), and Woodward (UG-10D, 8440-1713/D).



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