Siemens

Siemens 3NB1345-4KK11

SITOR fuse link, with slotted blade contacts, NH3L, In: 800 A, aR, Un DC: 1250 V, front indicator

MPN: 3NB1345-4KK11
Category: LV HRC Design

Price and lead time confirmed within 1 business day

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2You get a written quote by email
3Approve it and we ship — in-stock parts within 1 business day

12-month warranty (new) · 3-month (used/refurbished)
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What is the Siemens 3NB1345-4KK11?

SITOR fuse link, with slotted blade contacts, NH3L, In: 800 A, aR, Un DC: 1250 V, front indicator

Specifications

Model

product brand name	SENTRON
product designation	SITOR fuse link
design of the product	With slotted blade contacts
design of an identification indicator	front indicator
design of the switching contact	with slotted blade contacts for M10 screw fixing
design of the fuse link	Parallel SITOR semiconductor fuse, LV HRC design

General technical data

size of fuse system according to EN 60269-1	NH3L
operating class of the fuse link	aR
type of voltage of the operating voltage	DC

Supply voltage

supply voltage — at DC

1 250 V

Breaking Capacity

switching capacity current — at DC according to IEC 60947-2 rated value

100 kA

Dissipation

power loss [W]	135 W
power loss [W] — for rated value of the current at AC in hot operating state per pole	135 W
power loss [W] — maximum	135 W

Product details

product description	with bolt-on links, silver-plated
accessories included	no

Mechanical Design

mounting position	Any, preferably vertical
Net Weight	1.886 kg

Environmental conditions

ambient temperature during operation — minimum	-20 °C
ambient temperature during operation — maximum	50 °C
environmental category	-20 to +50 at 95% relative humidity

Downloads & documentation

Official documents from Siemens, downloaded directly from the manufacturer.

Data sheets & manuals

Product data sheet 3NB1345-4KK11PDF

3NB1345-4KK11: frequently asked questions

When can 3NB1345-4KK11 be shipped?

3NB1345-4KK11 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 3NB1345-4KK11 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 3NB1345-4KK11 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 3NB1345-4KK11, subject to availability and destination.