VD4  Opening release   ，YO1-MO1-MBO1，YU-MU-MBU ，YC-MC-MBC ， 220VDC/AC
Instantaneous opening release YO1-MO1-MBO1 aux. voltage 220-250Vdc, 220Vac for VD4/R ESH


Closing release YC-MC-MBC, smart coil, aux. voltage 24Vdc for VD4/P 50kA,
Undervoltage release YU-MU-MBU, smart coil, aux. voltage 24Vdc
Opening release YO1-MO1-MBO1, yi shuo dian qi smart coil, aux. voltage 220-250Vdc/ac IEC/GB
Additional opening release YO2-MO2-MBO2, smart coil, aux. voltage 250Vdc,
Additional opening release YO2-MO2-MBO2 aux. voltage 110-132Vdc, 110-127Vac
1VCF339752S6902 Closing release YC-MC-MBC aux. voltage 24Vdc for VD4R EL-Vmax-ADVAC-VD4 except VD4/R ESH
1VCF339752S6903 Closing release YC-MC-MBC aux. voltage 30Vdc for VD4R EL-Vmax-ADVAC-VD4
1VCF339752S6904 Closing release YC-MC-MBC aux. voltage 48Vdc/ac for VD4R EL-Vmax-ADVAC-VD4
1VCF339752S6905 Closing release YC-MC-MBC aux. voltage 60Vdc/ac for VD4R EL-Vmax-ADVAC-VD4
1VCF339752S6909 Closing release YC-MC-MBC aux. voltage 110-132 Vdc 110-127 Vac for VD4R 
1VCF339752S6918 Closing release YC-MC-MBC aux. voltage 220-250Vdc/ac for VD4R EL-Vmax
1VCF859800S0077 Contactor support with 1 contactor + 2 pushbutton for operating mechanism doublespring CCO aux. voltage 24V
1VCF859800S0076 Contactor support with 1 contactor + 2 pushbutton for operating mechanism doublespring CCO aux. voltage 48V
1VCF859800S0075 Contactor support with 1 contactor + 2 pushbutton for operating mechanism doublespring CCO aux. voltage 110V 
1VCF859800S0074 Contactor support with 1 contactor + 2 pushbutton for operating mechanism doublespring CCO aux. voltage 220V 
1VCF859800S0073 Contactor support with 1 contactor + 1 push button for operating mechanism doublespring SDD aux. voltage 24V 
1VCF859800S0072 Contactor support with 1 contactor + 1 pushbutton for operating mechanism doublespring SDD aux. voltage 48V 
1VCF859800S0071 Contactor support with 1 contactor + 1 pushbutton for operating mechanism doublespring SDD aux. voltage 110V 
1VCF859800S0070 Contactor support with 1 contactor + 1 pushbutton for operating mechanism doublespring SDD aux. voltage 220V

 VD4  Opening release   ，YO1-MO1-MBO1
1VCF339751S2909 Instantaneous opening release YO1-MO1-MBO1 aux. voltage 110Vdc for VD4-Vmaxexcept VD4/R ESH
1VCF339751S2912 Instantaneous opening release YO1-MO1-MBO1 aux. voltage 125-127Vdc for VD4-Vmax except VD4/R ESH
1VCF339751S2918 Instantaneous opening release YO1-MO1-MBO1 aux. voltage 220Vdc for VD4-Vmaxexcept VD4/R ESH
1VCF339751S2939 Instantaneous opening release YO1-MO1-MBO1 aux. voltage 110Vac for VD4-Vmaxexcept VD4/R ESH
1VCF339751S2948 Instantaneous opening release Instantaneous opening release YO1-MO1-MBO1 aux. voltage 220-240Vdc,for VD4/R ESH
1VCF339752S6909 Closing release YC-MC-MBC aux. voltage 110-132 Vdc 110-127 Vac for VD4R ELVmax-ADVAC-VD4 except VD4/R ESH
1VCF339752S6918 Closing release YC-MC-MBC aux. voltage 220-250Vdc/ac for VD4R EL-Vmax-ADVAC-VD4 except VD4/R ESH
1VCF349850S2913 Closing release YC-MC-MBC, smart coil, aux. voltage 110-132Vdc, 110-127Vac forADVAC-VD4-VD4R EL-Vmax,  VD4/R ESH
1VCF349850S2922 Closing release YC-MC-MBC, smart coil, aux. voltage 220-250Vdc/ac forADVAC-VD4-VD4R EL-Vmax, HySec except VD4/R ESH
1VCF349850S3902 Undervoltage release YU-MU-MBU, smart coil, aux. voltage  yi shuo dian qi 24Vdc for VD4/VD4
1VCF349850S3903 Undervoltage release YU-MU-MBU, smart coil, aux. voltage 30Vdcfor VD4/VD4 High Duty up to 40kA, HySec, 
1VCF349850S3904 Undervoltage release YU-MU-MBU, smart coil, aux. voltage 48Vdc/acfor VD4/VD4 High Duty/ADVAC up to 40kA, 
1VCF349850S3905 Undervoltage release YU-MU-MBU, smart coil, aux. voltage 60Vdc/ac for VD4/VD4High Duty up to 40kA, 
1VCF349850S3913 Undervoltage release YU-MU-MBU, smart coil, aux. voltage 110-132Vdc, 110-127VacforVD4/VD4 High Duty/ADVAC
1VCF349850S3922 Undervoltage release YU-MU-MBU, smart coil, aux. voltage 220-250Vdc/ac for VD4/
VD4 High Duty/ADVAC up to 40kA, HySec, Vmax, VD4 side version, with single EL