Description
🔹 Product Overview
The ABB REL670 1MRK004812-DC is a transmission line protection device from ABB’s REL670 family, designed for protection and control applications in high-voltage power transmission systems. It is intended for applications where distance protection and related line-protection functions are required. The unit can be used for system maintenance, replacement, refurbishment, and protection-system spare inventory.
The REL670 and 1MRK004812-DC identifiers are important sourcing keywords for matching the correct configuration. Before installation, verify the complete ordering code, hardware configuration, firmware version, communication interfaces, and protection-system requirements.

REL670 1MRK004812-DC
🔹 Product Datasheet
| Parameter |
Value |
| Brand |
ABB |
| Model |
REL670 |
| Part Number |
1MRK004812-DC |
| Series |
Relion 670 Series |
| Product Name |
Transmission Line Distance Protection |
| Product Type |
Protection and Control Relay |
| Application |
Transmission Line Protection |
| Place of Manufacture |
Sweden |
| Condition / Status |
New Surplus / Original New |
| Power |
Auxiliary Supply / Configuration Dependent |
🔹 Product Keywords
ABB REL670, 1MRK004812-DC, REL670 protection relay, ABB distance protection, transmission line protection, ABB Relion 670, line protection relay, ABB power system protection
🔹 Application
The REL670 is designed for protection and control of transmission lines in power-system applications. Depending on the configured version, it can be integrated with current and voltage transformers, station automation systems, communication networks, and other protection equipment. It is suitable for maintenance and replacement of compatible ABB protection installations.
🔹 Key Features
• ABB Relion 670 series protection technology
• Designed for transmission line protection
• Distance-protection application
• Supports integration with power-system protection architectures
• Suitable for maintenance, replacement, and system refurbishment
🔹 Recommended ABB Models
- REL670
- REL650
- REL615
- REL511
- RED670
- RED615
- REF670
- REF615
- REC670
- RET670
🔹 Product Search
For additional ABB protection relays, transmission-line protection equipment, and industrial automation spare parts, visit ABB Protection & Automation Parts.
At Newplcdcs, we specialize in providing high-quality spare parts for Distributed Control Systems (DCS) and Programmable Logic Controllers (PLC). Our comprehensive product portfolio includes parts from approximately 20 leading brands, such as ABB, Bently Nevada, Honeywell, GE, Yokogawa, Allen Bradley, Foxboro, Ovation, Hima, Emerson, Triconex, Woodward, ICS Triplex, Bachmann, and Schneider. This focused expertise allows us to offer in-depth solutions in the automation sector, setting us apart from many competitors and ensuring we deliver the most advanced and reliable products to our clients.
Contact Information
Frequently Asked Questions
Is our price competitive?
Newsplcdcs collaborates with over 50 countries worldwide. as a leading supplier in china, we can provide significant discounts to customers based on market demand.
What is the warranty period?
We offer a standard one-year warranty for all new and original items.
What payment methods do we accept?
We accept 100% t/t (telegraphic transfer) before shipping. for items with a lead time, a 30% deposit is required in advance, with the remaining 70% balance due before shipping. if you have an agent in china, please contact us for rmb transfer.
What shipping methods do we use?
We primarily utilize carriers such as fedex, dhl, ups, bre, etc. if you have an account with any of these carriers, you can arrange the shipping yourself. additionally, we offer free shipping to china freight forwarders.
What is our delivery time?
Typically, delivery takes around 1-3 days after receiving the advance payment. for items with a quoted lead time, delivery will occur as per the specified lead time.
How do we package the goods?
Our packaging process involves multiple layers of protection. initially, the product is placed in its original box, sealed with a label. then, we add a layer of bubble wrap to safeguard against collisions during transportation. finally, all products are securely packed in sturdy boxes for further protection.
How can customers contact us and request a quote?
Customers can inquire via email, whatsapp, wechat, skype, or any preferred communication platform. simply reach out to us, and we’ll promptly provide a quote tailored to your needs.