Single-Pole Connectors Up To 1250A Safe High-Current Industrial Power Connections
Published 06 Mar 2026
Single-Pole Connectors Up To 1250 A
When high-current power connections are required, safety, reliability and ease of use are critical.
Single-pole connectors are designed to provide secure electrical connections in demanding industrial environments where performance and protection cannot be compromised.
In this range, MARECHAL single-pole connectors combine maximum safety, easy connection and optimal electrical performance for high-power applications up to 1250 A.
These connectors are engineered for robust industrial service and are suited to applications requiring safe connection and disconnection, dependable locking systems and reliable current transmission.
Need Help Selecting The Right Connector?
Choosing the correct single-pole connector depends on current rating, locking requirements, installation type and operating conditions. Speak to our team for guidance on the most suitable MARECHAL ELECTRIC connector range for your application.
Why Single-Pole Connectors ARE USEFUL
- Provide safe connection for high-current applications
- Reduce risk during connection and disconnection
- Support reliable electrical performance in demanding environments
- Enable secure locking and interlocking options
- Offer durable solutions for industrial power distribution
Designed For Safety, Connection & Performance
The video highlights three key benefits of the single-pole connector range:
- Perfect Safety
- Easy Connection
- Optimal Electrical Performance
These three principles are essential where connectors must operate reliably under high electrical loads and in challenging site conditions.
DSP 400 – Interlocked Single-Pole Connector
The DSP 400 connector is designed to enhance operational safety by integrating pilot contacts that can be wired to an available switching device.
This arrangement helps ensure electrical interlocking of the connector, supporting safer use in applications where controlled connection status is important.
Ideal for: high-current installations requiring additional control and interlock functionality.
Key Features
- 2 pilot contacts
- Can be wired to an available switching device
- Supports electrical interlocking of the connector
- Designed for industrial power applications
- Improves operational safety
CS 1000 – Mechanically Keyed Connector
The CS 1000 range is built to simplify identification and improve installation security through mechanical keying.
The video highlights 5 mechanical keying positions, including European and international colour coding, helping users select and match connectors correctly.
Commonly used for: installations where connector identification, separation of circuits and safe mating are important.
Key Features
- 5 mechanical keying positions
- European colour coding options
- International colour coding options
- Helps prevent incorrect connection
- Suitable for structured high-power systems
SP – Easy Connection / Disconnection Connector
The SP connector range is designed for easier handling during operation.
As shown in the video, connection and disconnection are achieved using the closing draw-lever system, helping users make and break connections more effectively.
The range also features an electromechanical interlocking system, supporting safe and controlled operation.
Built for: industrial environments where repeated connection cycles and dependable locking are required.
Core Features
- Easy connection and disconnection
- Closing draw-lever system
- Electromechanical interlocking system
- Industrial-duty construction
- Reliable connector engagement
DSP 1250 Range – High Current Single-Pole Connectors
The DSP 1250 range is designed for applications requiring very high current capacity.
With ratings up to 1250 A, this range provides a heavy-duty solution for industrial power systems where dependable connection performance is essential.
Suitable for: high-power infrastructure, energy-intensive industrial systems and demanding electrical distribution applications.
Key Features
- Current ratings up to 1250 A
- Single-pole high-power connection solution
- Built for demanding industrial service
- Supports safe and reliable power transfer
- Designed for robust operating environments
Applications For Single-Pole Connectors
- Industrial power distribution
- Temporary and mobile power systems
- Heavy electrical installations
- Energy and infrastructure projects
- High-current equipment connections
Choosing The Right Single-Pole Connector
Selecting the correct connector depends on:
- Current rating required
- Need for electrical or electromechanical interlocking
- Ease of connection and disconnection
- Mechanical keying and colour identification requirements
- Environmental and operational demands
MARECHAL ELECTRIC single-pole connectors are designed to deliver safe, efficient and high-performance power connection solutions across a wide range of industrial applications.
