Industrial Circular Connector
Pr Series Circular Multipole Russian Connectors Replacement for P Series and Russian 2ptt Series
Sample Available
US$2.10-2.50
Product Details
Products introduction
PR series high-temperature resistant circular electrical connectors are interchangeable with the P series general-purpose circular electrical connectors. They are an improved version of the P series and are widely used for electrical signal connections in various high-temperature resistant electrical equipment, electronic instruments, and meters. They consist of a fixed part mounted on the instrument (receptacle) and a part mounted on the cable (plug).
Features include threaded coupling, reliable contact, vibration resistance, low contact resistance, and wide application. The connector uses a high-temperature resistant insulator, with a non-sealed receptacle and flange mount. The plug is equipped with a coupling nut for connecting the cable to the receptacle. The product complies with standard SJ/T10496.
| Feature | Description |
| Housing | Aluminum alloy or brass; Plating: Nickel; Compliant with SJ/T10496-94 standard |
| Contact Type | Contact diameters: Φ1.5, Φ2.5, Φ3.5, Φ5.5mm; Plating: Gold or silver; Termination: Solder type |
| Protection Rating | Non-sealed type; Operating temperature: -60°C to +50°C; Relative humidity: 95% at 40°C |
| Coupling | Threaded coupling |
| Compatibility | Interchangeable with P series general-purpose circular electrical connectors; Improved version of P series; Compliant with SJ/T10496; |
| Applications | Widely used for electrical signal connections in various high-temperature resistant electrical equipment, electronic instruments, and meters; Consists of receptacle (mounted on instrument) and plug (mounted on cable) |
Specification
| Temperature | Relative humidity | Atmosphere | Vibration | Shock | |||
| -55°C~+85°C | (90~96)% at40°C | 4.4KPa | 10~200Hz,150m/s² | 490m/s² | |||
| Current | Voltage | Contact resistance | Endurance | ||||
| 8A~10A | 250V | ≤ 5mΩ | 500cycles | ||||
| 10A-25A | 400V | ≤ 3mΩ | 500cycles | ||||
| Environment | Voltage proof | Insulation resistance |
| Normal | 1200V | ≥ 1000MΩ |
| High temperature | 1000V | ≥ 500MΩ |
| Moisture | 800V | ≥ 100MΩ |
| Low pressure | 400V | - |
PR SERIES

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FAQs
Answers to All Your Burning Questions !
How does your factory do regarding the quality control?
With 20 years of unwavering commitment to high quality, we ensure that every product is 100% inspected before shipment.
Do you have the products in stock?
Most of our main items (e.g., KP30, KP32) are in stock and ready for fast shipment. But please check with us before ordering to confirm availability.
Can I get samples?
Yes, sample order is available. We also offer Free samples for long-term customers. New customers can also get free samples once place order.
How long is your lead time?
It usually takes about 10 to 20 business days for production based on specifications and quantity in your order.
Are you a factory or a trading company?
We are a nationally recognized high-tech enterprise, integrating design, manufacturing, sales, and branding. With our own production lines and factory, we stand out from ordinary trading companies through our factory-direct advantages, and from ordinary factories through our extensive sales channels and superior technical qualifications.
Company Qualification
Since the year of 2020, we has been honored as a High-Tech Enterprise in Hangzhou and obtained the National High-Tech Enterprise Certification.
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