C521A-C5R21A
CNTD Electric Technology Co., Ltd. is one of the toppest C521A-C5R21A in China.During these years of exporting , CNTD Electric Technology Co., Ltd. now has rich experience in the worldwide markets
  • Features
  • Specifications

10A type and 15A type for selection

Fixed type and auto-return type (both single-throw and double-throw) for selection

Screw terminal, solder terminal and tab terminal for selection

Water-proof cap for water-proof and oil-proof

Mounting hole: φ12mm

Appearance and Dimension

Model Number Structure

Item

Code

Description


①Type

CO

10A  250VAC  Self-locking

COR

10A  250VAC  Spring return

C5

15A  250VAC Self-locking

C5R

15A  250VAC Spring return



②Contact

11

Single pole single throw ON-OFF

12

Single pole double throw ON-ON

13

Single pole double throw (central OFF)ON-OFF-ON

131

Single pole double throw (central OFF single returm)ON-OFF-ON

21

Double pole single throw ON-OFF

22

Double pole double throw ON-ON

23

Double pole double throw (central OFF)ON-OFF-ON

231

Double pole double throw (central OFF single retum)ON-OFF-ON


③Terminal

A
B
C

Tab terminal(#250)
Screw terminal
Solder terminal(#187)

Ratings

Load

Type

AC  Rating

DC Rating

Resistance Load

CO

10A 250V 15A 125V

0.4A  250V  0.8A 125V

C5

15A 250V 20A 125V

0.5A  250V  0.9A 125V

Inductive Load

CO

10A 250V 15A 250V

0.2A  250V  0.4A 125V

C5

15A 250V 20A 125V

0.3A 250V 0.5A 125V 15A

Lamp Load

CO

300W 100V 500W 200V

30V

C5

400W 125V 800W 250V

-


Motor Load

CO

200W 125V 300W 250V

7A 30V

C5

400W  125V(single phase)


CO

550W  250V(three phase)

-

C5

750W  250V(three phase)


Contact resistance

15MΩmax. (initial)

Insulation resistance

100MΩ 以上 above( 在 500VDC 下 )under 500VDC

Dielectric strength

2000VAC,50/60Hz For 1minute

Vibration

10 至 55Hz,1.5mm  double amplitude

Ambien temperature

Using:-20~+70℃ (With no icing)

Humidity

85% RH max.

Electrical life

500,000 operations above

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