Zhejiang Yonggui Electric Equipment Co., Ltd.

DSL Rectangular Connectors

DSL connector is a kind of electrical connector with modular structure, which is used in cabinets or panels of railroad transportation, and can be divided into two structures of standard installation or floating installation. The railway connector consists of two units, the module and the frame, and is divided into two series, V and B. The module can be combined arbitrarily according to the number of steps and the length of the frame.

Specifications of DSL Rectangular Connectors

V series
Working EnvironmentTemperature-55℃~+125℃
Humidity95% (at 40℃)
Electrical ParametersRated operating current10A(φ1.5)
15A(φ2.5)
50A(φ3.5)
Contact resistance≤2.5mQ(φ1.5)
≤1.5mQ(φ2.5)
≤1.0mΩ(φ3.5)
Insulation resistance≥5000MQ (normal)
Rated operating voltage300V(φ1.5)
220V(φ2.5)
500V(φ3.5)
Operating voltage1500V AC 50Hz(normal)(φ1.5)
2000V AC 50Hz(normal)(φ2.5)
2500V AC 50Hz(normal)(φ3.5)
Noteφ1.5-X module; φ2.5-Y module; φ3.5-Z module
Mechanical PerformanceMechanical life750 times
VibrationComply with GB/T21563 Class 1, Level B
ImpactConforms to Class 1, Level B of GB/T21563.
Other performanceFlame retardantEN45545
Environmental protectionRoHS
B series
Working environmentTemperature-55° C to +125° C
Humidity95% (at 40℃)
Electrical ParametersRated operating current10A(φ1.5)
25A(φ3)
Rated working voltage220V
Contact resistance≤2.5mQ(φ1.5)
≤1.0mQ(φ3)
Withstanding voltage3000V AC 50Hz (normal)
Insulation resistance≥5000MQ (normal)
Mechanical PerformanceMechanical life750 times
VibrationConform to GB/T21563 Class 1, Level B.
ImpactComply with the provisions of GB/T21563 in Class 1, Level B.
Noteφ2.5mm-M module; φ3mm-N module
Other performanceFlame retardantEN45545
Environmental protectionRoHS
Product FeaturesUp to 56 signal φ1.5mm contacts
Module structure, consisting of module and frame
With locking knob
Housing with cable fixing fixture (side outlet)
Staggered module
With 36 kinds of coding for error prevention


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Contact Yonggui Electric for Connectors
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