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| ，Standard contact blocks dimensions |
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，Standard types of contact block and
assembly method |
Short contact block is available in 1a, 1b, 1a1b, 2a and 2b. The contact may be increased to 2a2b by repl-
acing the short block with the long one. If more conta-
cts are needed, just add the short one to the long one (The short
one is not designed for being added by other
block at its rear end). 3a, 3b, 3a3b, 4a and 4b will be available
with one-long-one-short blocks. By replacing the short block with
another long one and becoming two-long blocks, 4a4b will be obtainable.
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| ，Contact rating |
| AC |
Inductive load |
AC125V |
AC250 |
AC440V |
AC600V |
DC |
Inductive load |
DC125V |
DC250V |
dc380V |
6A |
4A |
2A |
1A |
0.5A |
0.2A |
0.1A |
| Resistive load |
10A |
6A |
4A |
1.5A |
Resistive load |
2A |
0.6A |
0.2A |
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| ，Characteristics |
| Ambient temperature |
-20＜C ~ +60＜C |
| Humidity |
45 ~ 85%RH |
| Contact resistance |
50mΩmax.(initial
value) |
| Insulation resistance |
100mΩmin.(at
500VDC) |
| Dielectric strength |
2500VAC, 50/60HZ for 1 minute |
| Service life |
Mechanically |
Push Button/ Illuminated Push Button (Momentary) 3,000,000,Others 500,000 |
| Electrically |
500,000 operations |
|
Type |
TC-1A |
TC-1B |
TC-1C |
TC-2A |
TC-2B |
TC-2C |
Contact |
1a |
1b |
1a1b |
2a |
2b |
2a2b |
Contact
Arrangemen |
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Type |
TC-3A |
TC-3B |
TC-3C |
TC-4A |
TC-4B |
TC-4C |
Contact |
3a |
3b |
3a3b |
4a |
4b |
4a4b |
Contact
Arrangemen |
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