QB Circular Connectors
This series of products are mainly used in the cabinet box. This series of electrical connector adopts buckle connection, and the contact parts mainly adopt crimping structure, which has the advantages of quick connection and separation, vibration resistance, shock resistance, etc. It is widely used in railroad, aviation, industry, electronics and other fields.
Specifications of QB Circular Plastic Connectors
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① Electrical parameters |
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Rated current |
φ1:5 A, φ1.6:10A, φ2.4:23A |
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Rated voltage |
φ1:110 V AC, φ1.6:300V AC, φ2.4:500V AC |
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Withstanding voltage |
φ1:1500 V AC 50Hz No breakdown or flashover within 1min. |
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φ1.6:2000 V AC 50Hz No breakdown or flashover within 1min. |
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φ2.4:2500 V AC 50Hz No breakdown or flashover within 1min. |
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Contact resistance |
φ1:≤3mΩ, φ1.6:≤2.5mΩ, φ2.4:≤1.5mΩ |
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Insulation resistance |
≥2000 M |
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② Mechanical parameters |
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Mechanical life |
750 times |
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Vibration |
meet the vibration requirements of GB/T21563 in category 2 |
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③ Other parameters |
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Operating temperature |
-55℃~+125℃ |
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Relative humidity |
90%~95% (Temperature: 40±2℃) |
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Protection level |
IP67 (with suitable tail accessories) |
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Environmental protection |
RoHS |
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Housing |
Aluminum alloy |
Surface treatment |
Oxidized military green/nickel plated/oxidized black |
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Insulator |
Engineering plastic |
Flame retardant rating |
EN45545 |
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Contacts |
Copper alloy |
Surface treatment |
gold/silver plated |
We can provide kinds of industrial circular connectors for sale. If you want to buy a circular pin connector, please contact us.
As one of electrical connectors manufacturers, we will do our best to meet all the needs of customers.
