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YZTW KDHc 40A Low Voltage Mechanical Industry Changeover Switch for tyre changer 380V and 220V
YZTW KDHc 40A Low Voltage Mechanical Industry Changeover Switch for tyre changer 380V and 220V
YZTW KDHc 40A Low Voltage Mechanical Industry Changeover Switch for tyre changer 380V and 220V
YZTW KDHc 40A Low Voltage Mechanical Industry Changeover Switch for tyre changer 380V and 220V
YZTW KDHc 40A Low Voltage Mechanical Industry Changeover Switch for tyre changer 380V and 220V
YZTW KDHc 40A Low Voltage Mechanical Industry Changeover Switch for tyre changer 380V and 220V
YZTW KDHc 40A Low Voltage Mechanical Industry Changeover Switch for tyre changer 380V and 220V
YZTW KDHc 40A Low Voltage Mechanical Industry Changeover Switch for tyre changer 380V and 220V

YZTW KDHc 40A Low Voltage Mechanical Industry Changeover Switch for tyre changer 380V and 220V

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Quick Details

Rated insulation voltage:
690V
Convention heating current:
40A
Rated operating voltage:
380V
Rated operating current:
40A.
AC-21B Icw-A Is:
480
Product Name:
YZTW KDHc 40A Low Voltage Mechanical Industry Changeover Switch

Quick Details

Max. Voltage:
380V
Place of Origin:
Zhejiang, China
model specification:
KDHc-40A
Rated insulation voltage:
690V
Convention heating current:
40A
Rated operating voltage:
380V
Rated operating current:
40A.
AC-21B Icw-A Is:
480
Product Name:
YZTW KDHc 40A Low Voltage Mechanical Industry Changeover Switch
Product Details
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Product Description

Product's description

KDHc series transfer switch is mainly used in the electrical circuit of AC 50Hz, rated working voltage 380V, rated current 20A to 100A, for manual infrequent turning on and off positioning self-resetting circuit, as a control or conversion; mainly used for NBC-200, 250, 315, 400, 500, 630 and other CO2 gas shielded welding machines, inverter arc welding machines and air plasma cutting machines and auto parts industries, repair machines, tire lapping machines, balancing machines for regulating current or voltage, also It can be used as a circuit change in electrical equipment.

Model and its meaning

Main technical parameters

model specification KDHc-20 KDHc-25 KDHc-32 KDHc-40 KDHc-63 KDHc-100
Rated insulation voltage 690 690 690 690 690 690
Convention heating current 20 25 32 40 63 100
Rated operating voltage 380 380 380 380 380 380
Rated operating current 20 25 32 40 63 100
AC-21B Icw-A Is 240 300 384 480 756 1200

Mechanical endurance and electric endurance

  • Mechanical Life   :   20 thousand times,operation frequency is 120 times/hour.
  • Electrical Life       :   10 thousand times,operation frequency is 120 times/hour.

Normal work condition

  • the ambient air temperature is not more than+40°C, and the average temperature of 24h Degree not exceeding+35°C;
  • the minimum temperature of ambient air is-25°C;
  • installation site altitude not exceeding 2000m;
  • when the maximum temperature is+40°C, the relative humidity of the air is not more than 50%,Higher relative humidity
  • can be allowed at lower temperatures, such as 90% to reach 20°C;
  • the pollution level of the surrounding environ merit is 3rd grade;
  • switch can be installed in any in denied position of the occasion.

Outline and installation dimensions

(mm)
Model A B φ C φ 1 L S H
KDHc-20 44 32 M3 20 6 37+12.4n
KDHc-25 65 48 4.2 25 6.3
KDHc-25 (Round-head) 58 36 M4 25 6.3 45+13.5n
KDHc-32 65 48 4.2 25 6.3
KDHc-32 (Round-head) 58 36 M4 25 6.3 45+13.5n
KDHc-40/63 65-90 48-72 4.2-5.3 32 6.3-7 49/59+18n

KDHc-20,25,32,40, 63,100A on-off schematic

On-off principle can be designed and manufactured according to user's requirements

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