Zhejiang Yonggui Electric Equipment Co., Ltd.

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 Connectors

① Electrical parameters

Rated current

φ1:5 A, φ1.6:10A, φ2.4:23A
Rated voltageφ1:110 V AC, φ1.6:300V  AC, φ2.4:500V  AC
Withstanding voltageφ1:1500   V AC  50Hz  No breakdown or flashover within 1min.
φ1.6:2000 V AC 50Hz No breakdown or flashover within 1min.
φ2.4:2500 V AC 50Hz No breakdown or flashover within 1min.

Contact resistance

φ1:≤3mΩ, φ1.6:≤2.5mΩ, φ2.4:≤1.5mΩ
Insulation resistance≥2000 M

② Mechanical parameters

Mechanical life750 times

Vibration

meet the vibration requirements of GB/T21563 in category 2

③ Other parameters

Operating temperature-55℃~+125℃
Relative humidity90%~95% (Temperature: 40±2℃)
Protection levelIP67 (with suitable tail accessories)
Environmental protectionRoHS

Housing

Aluminum alloy

Surface treatmentOxidized military green/nickel plated/oxidized black

Insulator

Engineering plastic

Flame retardant ratingEN45545

Contacts

Copper alloy

Surface treatmentgold/silver plated


Contact Yonggui Electric for Connectors
Contact Yonggui Electric for Connectors
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