
Siemens 5SP3440-3
Main miniature circuit breaker (SHU), 4-pole, E 40, 400V
- MPN
- 5SP3440-3
- Category
- Basic Devices
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What is the Siemens 5SP3440-3?
Main miniature circuit breaker (SHU), 4-pole, E 40, 400V
Specifications
Model
| product brand name | SENTRON |
| product designation | Miniature circuit breaker |
| design of the product | Main miniature circuit breaker |
| design of the locking device | Integrated locking slide, lockable by means of a lock, wire seal and cable ties |
General technical data
| number of poles | 4 |
| design of pole | 4P |
| tripping characteristic class | E |
| mechanical service life (operating cycles) typical | 20 000 |
| overvoltage category | 4 |
| degree of pollution | 3 |
Voltage
| insulation voltage (Ui) rated value | 690 V |
| surge voltage resistance rated value | 6 kV |
| operational current — at 30 °C rated value | 40 A |
| operational current — at 40 °C rated value | 38 A |
| operational current — at 50 °C rated value | 36 A |
| operational current — at 55 °C rated value | 35 A |
| operational current at AC rated value | 40 A |
Supply voltage
| supply voltage at AC | 400 V |
| operating voltage rated value — minimum | 110 V |
| operating voltage rated value — maximum | 440 V |
| supply voltage frequency rated value | 50 Hz |
Protection class
| protection class IP | IP40, with connected conductors |
Breaking Capacity
| switching capacity current — rated value | 25 kA |
| switching capacity current — according to EN 60898 rated value | 25 kA |
Dissipation
| power loss [W] for rated value of the current at AC in hot operating state per pole | 6.4 W |
| suitability for operation | Residential buildings/infrastructure |
Product details
| product component — infeed at box terminal | Yes |
| product component — saddle terminals | Yes |
| product feature properties for main switches in accordance with EN 60204-1 | Yes |
| product feature sealable | Yes |
Display and operation
| display version for switch position indicator | OFF = green, ON = red |
Connections
| connectable conductor cross-section of the box terminal — solid minimum | 2.5 mm² |
| connectable conductor cross-section of the box terminal — solid maximum | 50 mm² |
| connectable conductor cross-section of the box terminal — stranded minimum | 2.5 mm² |
| connectable conductor cross-section of the box terminal — stranded maximum | 50 mm² |
| connectable conductor cross-section solid — minimum | 2.5 mm² |
| connectable conductor cross-section solid — maximum | 50 mm² |
| connectable conductor cross-section stranded — minimum | 2.5 mm² |
| connectable conductor cross-section stranded — maximum | 50 mm² |
| connectable conductor cross-section finely stranded with core end processing — minimum | 2.5 mm² |
| connectable conductor cross-section finely stranded with core end processing — maximum | 50 mm² |
| position of power supply cord | Any |
Mechanical Design
| height | 128 mm |
| depth | 76.3 mm |
| depth of the enclosure | 76.3 mm |
| number of modular width units | 6 |
| fastening method | DIN rail |
| fastening method other | on DIN rail 35 mm acc. to EN 60715 |
| Net Weight | 1.136 kg |
Environmental conditions
| shock resistance | 30 g, at least 3 impacts, impact duration 11 ms |
| vibration resistance according to IEC 60068-2-6 | 2 g, 20 frequency cycles 5 to 150 to 15 Hz |
| ambient temperature during operation — minimum | -25 °C |
| ambient temperature during operation — maximum | 55 °C |
| ambient temperature during storage — minimum | -40 °C |
| ambient temperature during storage — maximum | 70 °C |
Downloads & documentation
Official documents from Siemens, downloaded directly from the manufacturer.
Data sheets & manuals
5SP3440-3: frequently asked questions
When can 5SP3440-3 be shipped?
5SP3440-3 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 5SP3440-3 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 5SP3440-3 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 5SP3440-3, subject to availability and destination.
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