In harsh environments such as rail transit and industrial equipment, the reliability and safety of electrical connections are critical. The 2PM series circular electrical connectors are derived from Russian technology. With their unique design and excellent performance, they have become the ideal choice for railway systems, trams, and trolleybuses. These connectors not only make up for the shortcomings of similar products but also adapt to special environmental requirements such as vacuum, sealing and high temperature. This article will introduce the selection points of 2PM connectors in detail and analyze its product numbering rules to help you quickly find the best match.
Core Advantages of 2PM Connectors
Broad Applicability
- Supports power transmission and signal connections between electrical equipment, suitable for high-demand scenarios like rail transit and industrial automation.
- Offers glass-sintered sealed sockets (M-type) and sealed bulkhead sockets (C-type), meeting extreme environmental needs such as vacuum, waterproofing, and high temperatures (-60°C to +200°C).
High-Performance Parameters
- Current Range: 5A to 40A, covering low-power signals to high-power supply.
- Voltage Resistance: Up to -570V, ensuring stable operation in high-voltage environments.
- Durability: 500 mating cycles, reducing maintenance costs.
Diverse Configurations
- Housing sizes range from 14mm to 45mm, with contact counts from 4 to 50 pins, providing flexibility for various device interfaces.
- Straight and angled cable exits, adapting to complex spatial layouts.
How to Select the Right 2PM Connector?
Selection requires comprehensive evaluation of the following parameters:
Environmental Requirements
- Non-Sealed Type: Cost-effective for standard environments.
- Sealed Type (M/C-type): Suitable for vacuum, moisture, or dusty environments, featuring stainless steel housings and glass insulation.
Electrical Parameters
- Current & Voltage: Select specifications based on equipment needs (e.g., 40A/570V or 5A for low-power signals).
- Contact Resistance: As low as 0.8mΩ, minimizing energy loss.
Mechanical Structure
- Housing Size: Choose based on installation space (e.g., 18mm lightweight design or 45mm high-power version).
- Cable Exit Type: Straight (space-saving) or angled (easier cable routing).
Special Requirements
- Shielding: Opt for shielded cable exits (Code A) for electromagnetic interference resistance.
- Plating Material: Silver plating (high conductivity) or gold plating (corrosion resistance).
Part Number Decoding: Quick Interpretation of Product Information
Why Choose the Renhotec 2PM Series?
- Strong Compatibility: Fully interchangeable with Russian-standard 2PM(T) series, simplifying retrofitting of legacy equipment.
- All-Climate Design: Certified for “Class B” all-climate performance, suitable for extreme temperature and humidity variations.
- One-Stop Service: Comprehensive support from selection consultation to customized production.
The 2PM connector has become a benchmark in industrial connectivity due to its modular design and high reliability. By accurately selecting models and interpreting part numbers, users can quickly identify optimal configurations to enhance equipment efficiency. For further technical consultation or customized services, please contact: [email protected]