# SPAJ 140 C Overcurrent & Earth-Fault Relay - ABB SPCJ 4D29RS

The **ABB SPAJ 140 C Overcurrent And Earth-Fault Relay**, part number **SPCJ 4D29RS 611 006-FA**, is a critical component for safeguarding electrical systems. Designed for industrial and marine applications, this relay provides reliable protection against overcurrent and earth-fault conditions, ensuring the safety and operational continuity of your equipment. It is designed to meet the rigorous demands of power distribution and control systems.

This **ABB relay** is engineered to monitor electrical currents, quickly detecting and responding to potentially damaging faults. With a focus on precision and durability, the **SPAJ 140 C** offers essential protection for a wide range of electrical installations. The frequency of 50Hz and current rating of 1A to 5A, this relay is built for consistent performance. This product is ideal for integration into various industrial automation and power management solutions.

-   **Overcurrent Protection:** Effectively detects and responds to excessive current flow.
-   **Earth-Fault Protection:** Rapidly identifies and isolates ground faults.
-   **Versatile Application:** Suitable for diverse industrial and marine electrical systems.
-   **Reliable Performance:** ABB's reputation for quality ensures dependable operation.

**Specifications**: Its designed to perform 356V~ rating ensures that this relay can handle a wide range of electrical loads.

Trust the **ABB SPAJ 140 C Overcurrent And Earth-Fault Relay** to provide dependable protection for your electrical infrastructure. Its robust design and precision engineering make it an ideal choice for maintaining the safety and efficiency of your systems. Enhance your industrial or automation setup with this essential safety component. For any inquiry, contact us at [info@ramautomations.com](mailto:info@ramautomations.com).

## Details

- **Price:** 999.0 USD
- **Vendor:** ABB
- **Type:** Industrial Automation > Relays > Overcurrent Relays
- **Tags:** ABB, earth fault protection, electrical protection, industrial automation, overcurrent relay, power distribution, SPAJ 140 C, SPCJ 4D29RS

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| REX521GHHPSH04G / USED | 999.00 USD | In stock |

## Images

- SPAJ 140 C Overcurrent & Earth-Fault Relay - ABB SPCJ 4D29RS-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/abb-spaj-140-c-relay-spcj-4d29rs)
> Updated: 2026-10-01