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We have been supplying a wide range of Siemens Products to Various Industries, through our Work, we have built a reputation as a company that combines innovation with integrity with quality range.

Siemens Switch Fuse Disconnector


Disconnectors are ideally suited as main and EMERGENCY-STOP switches. Thanks to their fused design, they additionally provide short-circuit and overload protection. In connection with SITOR semiconductor fuses, they even master high requirements.
In contrast to the 3NJ4 in-line fuse switch disconnectors, the devices of the 3NJ6 range are equipped with an integrated switching element with single- or double-break. They are particularly suitable for applications in which many cable outlets for power distribution have to be accommodated in minimum space. The intelligent plug-in connection system facilitates the devices’ easy and comfortable mounting.


New compact Sentron 3NP1 series comes with enhanced protection for personnel and plants and a sophisticated connection system. The reach-round and touch protection incorporated as standard in the new Sentron 3NP1 series prevents users from touching current conducting parts when the devices are mounted in a busbar system, even if they need to be accessed on the rear.


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Switch Disconnector Fuse Unit [SFU]

In-Line Switch Disconnectors SENTRON with Fuses 3NJ6 up to 630 A
SFU: Sentron 3NJ6


• Four Sizes from 160 A to 630 A
• LV HRC fuse links in accordance
with IEC 60269-1/EN 60269-1 or BS fuse links in accordance with BS 88.
• 3 and 4 Pole Version available
• Version with Motorized operating mechanism and electronic fuse monitoring
• 185 mm Phase Centre Distance of plug in contacts


Fuse Switch Disconnectors SENTRON 3NP1 up to 630 A
SFU: Sentron 3NP1


• 160-630A in 3- pole versions
• Rated voltage of 690V AC/440V DC
• Suitable for floor & busbar mounting
• With mechanical & electronic fuse monitoring
• Cost and space savings thanks to use of a smaller size
• Selection charts with semiconductor fuses in accordance with IEC 60269-2-
• Direct connection of stripped conductors supports considerably faster mounting / installation
• Ease in mounting with direct bus bar mounting option
• Leading auxiliary switches with respect to main contacts available

Fuse Switch Disconnectors SENTRON 3KL/3KD/3KA/3KM up to 800 A
SFU: Sentron
Superswitch 3KL/3KD/3KA/3KM

• Wide range: upto 800A in SDF/1600A in SD
• Suitable for isolation as per IEC60947
• Suitable for power distribution as well as motor feeders
• Available in DP, TP, TPN & TPSN# version
• Handles with IP65 Ingress protection
• With roller contact mechanism
• With POSITIVE OFF indication
• Suitable for both AC and DC voltage networks

3NJ6 Catalogue
3NP1 Catalogue
3KL/3KT/3KA Catalogue
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