Siemens
Siemens Fuse Holder Blanking Insert
Part No.
3NX1003
Procurement Intelligence
The SENTRON 3NX1003 is a blanking insert accessory for Siemens SENTRON fuse holder systems, used to block unused pole positions in modular switchboard installations. This accessory maintains proper spacing and prevents accidental contact with empty slots. Critical verification: confirm compatibility with your specific SENTRON fuse holder frame size and pole configuration before ordering.
Blocking unused fuse holder positions
Before ordering — verify:
| ☐ | Frame compatibility check |
| ☐ | Pole position alignment |
| ☐ | Stock availability |