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Siemens 3NC1491-5
SITOR fuse-disconnector with signaling switch Contact of the micro-switch: flat plug-contact A2,8 x 0
- MPN
- 3NC1491-5
- Category
- Cylindrical Fuse Design
Price and lead time confirmed within 1 business day
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- 12-month warranty (new) · 3-month (used/refurbished)
- 30-day returns, no restocking fee on unused parts
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What is the Siemens 3NC1491-5?
SITOR fuse-disconnector with signaling switch Contact of the micro-switch: flat plug-contact A2,8 x 0,5 mm in accordance with DIN 46244
Specifications
Model
| product brand name | SENTRON |
| product designation | SITOR fuse switch disconnector |
| design of the safety monitoring | electromechanical, contact: flat connector A2.8 x 0.5 mm according to DIN 46244 |
| design of the actuating element | swivel knob |
General technical data
| number of poles | 1 |
| size of fuse link | 14x51 |
| utilization category | According to IEC 60947-3; AC 22B/50 A/400 V; AC22B/20 A/690 V |
| size of the fuse link | 14 x 51 mm |
| operating voltage — at AC rated value maximum | 690 V |
| operating voltage — at DC rated value maximum | 800 V |
Protection class
| protection class IP on the front | IP20 |
Main circuit
| operational current rated value | 50 A |
Suitability
| suitability for use main switch | No |
| suitability for use switch disconnector | Yes |
| suitability for use EMERGENCY OFF switch | No |
Product function
| product function fuse monitoring | Yes |
Short circuit
| conditional short-circuit current (Iq) rated value | 100 kA |
Connections
| connectable conductor cross-section solid — minimum | 1.5 mm² |
| connectable conductor cross-section solid — maximum | 35 mm² |
| type of electrical connection for main current circuit | screw-type terminals |
Mechanical Design
| height | 122 mm |
| depth | 69 mm |
| fastening method — floor mounting | No |
| fastening method — rail mounting | No |
| Net Weight | 121 g |
Downloads & documentation
Official documents from Siemens, downloaded directly from the manufacturer.
Data sheets & manuals
3NC1491-5: frequently asked questions
When can 3NC1491-5 be shipped?
3NC1491-5 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.
Can I pick up 3NC1491-5 in person?
Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.
Is express delivery available?
Yes — mention it when you request a quote for 3NC1491-5 and we'll include express shipping options in our reply.
My factory is down and I need this urgently — can you help?
For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for 3NC1491-5, subject to availability and destination.
More Siemens parts
Siemens 3NC1491-5Price and lead time confirmed within 1 business day
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