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Is Siemens 3NJ4121-3BF11 genuine and new?

Yes. This Siemens product is supplied genuine and brand-new, sold with invoice under Yılsa Engineering assurance.

How do I get the datasheet and technical specs for Siemens 3NJ4121-3BF11?

Key technical specifications are listed on the product page. For the full datasheet, dimensions and compatibility, simply contact Yılsa Engineering.

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Siemens 3NJ4121-3BF11

in-line fuse switch disconnector 1-pole switchable, sz. 1 I=250 A, U=690 V screw terminal M10, Current transformer installation possible

SiemensMFR # 3NJ4121-3BF11SKU # CEY-8EF3B03951A1

product brand nameSENTRON

product designationFuse switch disconnectors

design of the productin in-line design

design of the auxiliary releaseWithout

design of the safety monitoringWithout

design of the load switch strip formYes

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About This Product

in-line fuse switch disconnector 1-pole switchable, sz. 1 I=250 A, U=690 V screw terminal M10, Current transformer installation possible

Siemens 3NJ4121-3BF11

Genuine, certified Siemens product
Fast sourcing through a worldwide supply network
Product selection and compatibility support from our technical team
Equivalent and alternative product suggestions
Quotation and lead time tailored to your request

Specifications

Model

product brand nameSENTRON

product designationFuse switch disconnectors

design of the productin in-line design

type of switching contact double breaking switching contactNo

design of the auxiliary releaseWithout

design of the safety monitoringWithout

design of the load switch strip formYes

General technical data

number of poles3

number of poles note1-pole switchable

type of deviceFor busbar system 185 mm

size of fuse linkNH1

fuse systemLV HRC fuse

Voltage

insulation voltage rated value1 000 V

at AC-21 B at 400 V rated value250 A

at AC-21 B at 500 V rated value250 A

at AC-21 B at 690 V rated value250 A

at AC-23 B at 400 V rated value250 A

at AC rated value690 V

at DC rated value440 V

Protection class

protection class IP on the frontIP30

Dissipation

for rated value of the current at AC in hot operating state per pole7.7 W

maximum23 W

Main circuit

rated value250 A

with capacitive load at 400 V rated value144 A

with capacitive load at 500 V rated value110 A

Suitability

suitability for operationSystem protection

suitability for use main switchNo

suitability for use switch disconnectorYes

suitability for use EMERGENCY OFF switchNo

suitability for use maintenance/repair switchNo

Product details

voltage triggerNo

undervoltage releaseNo

undervoltage release with leading contactNo

Short circuit

at AC-21 B at 400 V rated value110 kA

at AC-21 B at 500 V rated value110 kA

at AC-21 B at 690 V rated value110 kA

at AC-22 B at 400 V rated value110 kA

at AC-22 B at 500 V rated value110 kA

at AC-22 B at 690 V rated value110 kA

at AC-23 B at 400 V rated value110 kA

at AC-23 B at 500 V rated value110 kA

at AC-23 B at 690 V rated value110 kA

Connections

arrangement of electrical connectors for main current circuitScrew terminal

type of electrical connection for main current circuitscrew-type terminals

Mechanical Design

height662 mm

width100 mm

depth195 mm

fastening methodFlachanschluss, M 10

mounting positionvertical, horizontal

busbar center-to-center spacing185 mm

40 mmNo

50 mmNo

60 mmNo

100 mmNo

185 mmYes

Net Weight4.89 kg

Environmental conditions

minimum-25 °C

maximum55 °C

Accessories 68

Genuine accessories that can be used with the Siemens 3NJ4121-3BF11 motor and are supplied separately are listed below. Click a code to open the accessory page and see the other compatible motors.

Part no	Description	Compatible motors
3NJ4912-2CA00	Aksesuar · Fuse switch disconnectors
3NJ4918-1AA00	Aksesuar · Fuse switch disconnectors
3NJ4912-1AA01	Aksesuar · Fuse switch disconnectors
3NJ4911-2BQ00	Aksesuar · Fuse switch disconnectors
3NJ4915-2KB20	Aksesuar · Fuse switch disconnectors
3NJ4915-2KB11	Aksesuar · Fuse switch disconnectors
3NJ4915-2FB20	Aksesuar · Fuse switch disconnectors
3NJ4915-2FB10	Aksesuar · Fuse switch disconnectors
3NJ4915-2FA20	Aksesuar · Fuse switch disconnectors
3NJ4915-2FA10	Aksesuar · Fuse switch disconnectors
3NJ4915-2EB20	Aksesuar · Fuse switch disconnectors
3NJ4915-2EB10	Aksesuar · Fuse switch disconnectors
3NJ4915-2EA20	Aksesuar · Fuse switch disconnectors
3NJ4915-2GA10	Aksesuar · Fuse switch disconnectors
3NJ4915-2EA10	Aksesuar · Fuse switch disconnectors
3NJ4915-2DA20	Aksesuar · Fuse switch disconnectors
3NJ4915-2CA00	Aksesuar · Fuse switch disconnectors
3NJ4915-2BA00	Aksesuar · Fuse switch disconnectors
3NJ4918-0AA00	Aksesuar · Fuse switch disconnectors
3NJ4912-2BA00	Aksesuar · Fuse switch disconnectors
3NJ4912-2AA00	Aksesuar · Fuse switch disconnectors
3NJ4912-2DA00	Aksesuar · Fuse switch disconnectors
3NJ4915-2DB20	Aksesuar · Fuse switch disconnectors
3NJ4915-2GA11	Aksesuar · Fuse switch disconnectors
3NJ4915-2GB10	Aksesuar · Fuse switch disconnectors
3NJ4915-2KB10	Aksesuar · Fuse switch disconnectors
3NJ4915-2KA20	Aksesuar · Fuse switch disconnectors
3NJ4915-2KA11	Aksesuar · Fuse switch disconnectors
3NJ4915-2KA10	Aksesuar · Fuse switch disconnectors
3NJ4915-2JB20	Aksesuar · Fuse switch disconnectors
3NJ4915-2JB10	Aksesuar · Fuse switch disconnectors
3NJ4915-2JA20	Aksesuar · Fuse switch disconnectors
3NJ4915-2GA20	Aksesuar · Fuse switch disconnectors
3NJ4915-2JA10	Aksesuar · Fuse switch disconnectors
3NJ4915-2HB11	Aksesuar · Fuse switch disconnectors
3NJ4915-2HB10	Aksesuar · Fuse switch disconnectors
3NJ4915-2HA20	Aksesuar · Fuse switch disconnectors
3NJ4915-2HA11	Aksesuar · Fuse switch disconnectors
3NJ4915-2HA10	Aksesuar · Fuse switch disconnectors
3NJ4915-2GB20	Aksesuar · Fuse switch disconnectors
3NJ4915-2GB11	Aksesuar · Fuse switch disconnectors
3NJ4915-2HB20	Aksesuar · Fuse switch disconnectors
8GK4752-5KK20	Uyumlu ürün
8GK4752-5KK10	Uyumlu ürün
8GK4752-5KK35	Uyumlu ürün
8GK4752-5KK25	Uyumlu ürün
8GK4752-5KK15	Uyumlu ürün
8GK4752-5KK30	Uyumlu ürün
3NA3140	Seçmeli zorunlu ürün
3NA3142	Seçmeli zorunlu ürün
3NA3136-6	Seçmeli zorunlu ürün
3ND2136	Seçmeli zorunlu ürün
3NA7142	Seçmeli zorunlu ürün
3NA7140-6	Seçmeli zorunlu ürün
3NA7140	Seçmeli zorunlu ürün
3NA7136-6	Seçmeli zorunlu ürün
3NA7136	Seçmeli zorunlu ürün
3NA6142-4	Seçmeli zorunlu ürün
3NA6142	Seçmeli zorunlu ürün
3NA6140-4	Seçmeli zorunlu ürün
3NA6140	Seçmeli zorunlu ürün
3NA6136-6	Seçmeli zorunlu ürün
3NA6136-4	Seçmeli zorunlu ürün
3NA6136	Seçmeli zorunlu ürün
3NA3136	Seçmeli zorunlu ürün
3NA3140-6	Seçmeli zorunlu ürün
3NA6140-6	Seçmeli zorunlu ürün
3ND2140	Seçmeli zorunlu ürün