
Siemens
Siemens 3NC1491 fuse switch disconnector
Manufacturer part number: 3NC1491ESYS SKU: 3NC1491
Net unit price, VAT 0%
€36.58
VAT 25.5% and delivery are shown separately in the request summary.
Current availability
Current available stock: 71 pcs
- Minimum order
- 1 pcs
- Order increment
- 1 pcs
- Availability checked
- 1 Sept 2026, 07:55
Siemens 3NC1491 fuse switch disconnector. Key selection data: Rated operational current: 50 A; Fuse size: 14x51; Number of poles: 1; Utilization class: IEC 60947-3, AC-22B 50 A / 400 V, AC-22B 20 A / 690 V; Front protection rating: IP20; Connector type: screw-type terminals.
pcs
Information for product selection
Typical applications
- Fuse protection and isolation of electrical circuits
- Fused feeders in panels and equipment
- Replacement in an existing Siemens assembly when article number 3NC1491 matches
Key specifications
- Rated operational current
- 50 A
- Fuse size
- 14x51
- Utilization class
- IEC 60947-3; AC-22B 50 A / 400 V; AC-22B 20 A / 690 V
- Number of poles
- 1
- Front protection rating
- IP20
- Connector type
- screw-type terminals
Show additional verified specifications
- Rated operational voltage
- 690 V AC
- Height
- 96 mm
- Depth
- 69 mm
- Weight
- 104 g
Lifecycle
- Status
- Active
Compatibility and related parts
3NC1491
Replacement: Replacement is allowed only when the target article number is exactly 3NC1491; this does not establish interchangeability with any other Siemens article.







