1 normally open contact 10A/250V AC. For flush and surface mounting with manual operation and switch position indicator. 50mm long, 26mm wide, 32mm deep. Duty cycle 100%. Control power requirement 2.5W. Contact spacing 2mm. Test voltage contact/contact 2000V and test voltage control connections/contact 4000V. The electronic switching relay ER61-UC can also be used. The universal control voltage UC covers the voltage range 8-253V AC 50-60Hz and 10-230V DC.