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| CV190Sensibly equivalent¶ to: | 
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 |  | The CV190 is a thermal delay switch based on the commercial DLS10. It is specified for a switch-on delay of 75 seconds - time for a mercury vapour rectifier to reach operating temperature before the HT is applied.Reference: Data-sheet. | 
 |   Pin Connections
|  | 1 | 2 | 3 | 4 | |  fc | mc | h | h | 
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 |   Absolute Maximum Operating Conditions¶
| Delay | Vh | Ah | Va | mAa | | 
 | 4.0 | 1.5 | 250 | 6,000 | 
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 Updated October 21, 2017. |  |