Connectors are suitable for use in DC and AC (with frequencies up to 2 MHz) electrical circuits at voltages up to 850 V. Connector consists of two units: a plug and a socket. SHR plugs and sockets are designed for installation either on equipment cases or on cables.
Panel-side of connector has either no outer shell, straight or angular shell. Cable-side connector has either a straight or angle shell.
Connectors are suitable for shielded or unshielded cables, suitability depends on the shell end nut construction. Contact diameters: 1.5 mm, 2.5 mm, 3.5 mm, 5.5 mm, 9.0 mm (contacts with 5.5 mm and 9.0 mm are extractable). Contacts are silver- or nickel-plated.
Connectors are built for indoor and outdoor installation (considering enclosure protection is provided) in boreal-climate design.
Connector annotation structure:
SHR | 20 | P | 3 | E | G | 7 |
Connector diameter | Design: Unit-side connector: P – without shell PK – straight shell SK – angular shell Cable-side connector: P – straight shell U – angular shell | Number of contacts | Type of shell end nut (1): E – for shielded cables N – for unshielded cables | Contacts type (2): Panel-side connector: SH – plug G – socket Cable-side connector: SH – socket G – plug | Contacts layout symbolic notation |
Notes:
• Unit-side connector without shell has no end nut. “E” is a dummy symbol in this case.
• Cable-side connector contact type is notated in accordance with a panel-side connector it suits.
• Left-banded cable-side plugs have an additional “L” symbol in annotation
Examples:
Unit- side plug SHR28P4ESH5-K
Cable-side socket SHR20P4ESH8-K
Electrical parameters:
Contacts diameter, mm | 1.5 | 2.5 | 3.5 | 5.5 | 9 |
Contact resistance (for silver-plated contacts), not more than, mOhm | 2.5 | 1 | 0..75 | 0.3 | 0.15 |
Contact resistance (for nickel-plated contacts), not more than, mOhm | 5 | 2 | 1.5 | 0.75 | 0.6 |
Insulation resistance in regular climatic conditions 5000 MOhm
Peak voltage value 850 V
Reliability parameters
Number of connection-disconnection cycles | 500 |
Minimum lifetime | 1500 hours |
Shelf life | 15 years |
Operational conditions
Sinusoidal vibrations: | |
Frequency range, Hz | 1-5000 |
Acceleration m/s2 (g) | 300 (30) |
Mechanical shock: | |
Single, acceleration m/s2 (g) | 5000 (500) |
Multiple, acceleration m/s2 (g) | 350 (35) |
Climatic factors
Operating ambient temperature, oC | -60..+60 |
Diminished air pressure, Pa (mm Hg) | 1.3*10-4 (1*10-6) |
Minimum lifetime at given connector temperature
Minimum lifetime, h | Connector temperature, oC |
1000 | 110 |
2000 | 93 |
5000 | 85 |
7500 | 79 |
10000 | 75 |
15000 | 70 |
20000 | 66 |
25000 | 63 |
30000 | 61 |
40000 | 58 |
50000 | 55 |
80000 | 49 |
100000 | 47 |
130000 | 41 |
Contact overheat temperature dependency on ampere load
Ampere load (in % of maximum) | Contact overheat temperature, oC |
90 | 44 |
80 | 38 |
70 | 33 |
60 | 27 |
50 | 22 |