NF33/11 Contactor Relays Are Used For Switching Auxiliary And Control Circuits Including Overlapping Of Lagging / Leading Contacts NF Contactor Relays Include An Electronic Coil Interface Accepting A Wide Control Voltage Uc Min. .. Uc Max. Only Four Coils Cover Control Voltages Between 24…500 V 50/60 Hz. NF Contactor Relays Can Manage Large Control Voltage Variations. One Coil Can Be Used For Different Control Voltages Used Worldwide Without Any Coil Change. NF Contactor Relays Have Built-In Surge Protection And Do Not Require Additional Surge Suppressors. – Poles: 8-Pole Contactor Relays With A Non-Removable Front-Mounted Auxiliary Contact Block – Control Circuit: AC Operated – Accessories: A Wide Range Of Accessories Is Available.

• · Block Contactor Relay