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Siemens 3NP1143-1BC20

SENTRON, Fuse switch disconnector 3NP1, 3-pole, NH1, 250 A, for Busbar system 8US 60 mm, Box terminal, Cover level 32/70 mm

SiemensMFR # 3NP1143-1BC20SKU # CEY-8EF3B030890B

product designationFuse switch disconnector

busbar designbusbar thickness 5 or 10 mm

design of the safety monitoringWithout

design of the load switch strip formNo

number of poles3

type of deviceFor 60 mm 8US busbar system

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About This Product

SENTRON, Fuse switch disconnector 3NP1, 3-pole, NH1, 250 A, for Busbar system 8US 60 mm, Box terminal, Cover level 32/70 mm

Siemens 3NP1143-1BC20

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 designationFuse switch disconnector

busbar designbusbar thickness 5 or 10 mm

design of the safety monitoringWithout

design of the load switch strip formNo

type of the driving mechanism motor driveNo

General technical data

number of poles3

type of deviceFor 60 mm 8US busbar system

size of disconnecting link1 and 0

size of fuse linkNH0, NH1

let-through current with closed switch maximum32 kA

mechanical service life (operating cycles) typical1 600

I2t value with closed switch maximum780 kA²·s

at AC-22 B0.65

at AC-23 B0.45

with capacitive load-0.25

fuse systemLV HRC fuse

degree of pollution3

Voltage

rated value690 V

with degree of pollution 3 at AC rated value690 V

with degree of pollution 2 at AC rated value1 000 V

power factor at AC-21 B0.95

surge voltage resistance rated value8 kV

— at 35 °C rated value250 A

— at 40 °C rated value245 A

— at 45 °C rated value240 A

— at 50 °C rated value233 A

— at 55 °C rated value233 A

— at AC-21 B at 240 V rated value250 A

— 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-22 B at 240 V rated value250 A

— at AC-22 B at 400 V rated value250 A

— at AC-22 B at 500 V rated value250 A

— at AC-22 B at 690 V rated value250 A

— at AC-23 B at 690 V rated value100 A

— at AC-23 B at 500 V rated value200 A

— at AC-23 B at 400 V rated value250 A

— at AC-23 B at 240 V rated value250 A

— at DC-21 B at 120 V rated value250 A

— at DC-21 B at 240 V rated value250 A

— at DC-21 B at 440 V rated value250 A

— at DC-22 B at 120 V rated value250 A

— at DC-22 B at 240 V rated value250 A

— at DC-22 B at 440 V rated value200 A

— at DC-23 B at 120 V rated value200 A

— at DC-23 B at 240 V rated value200 A

— at DC-23 B at 440 V rated value100 A

let-through current with high-speed activation maximum25 kA

at AC rated value maximum690 V

at DC rated value440 V

at DC rated value maximum440 V

Protection class

with closed switch with cover or cable lug coverIP40

with closed switch without cover or cable lug coverIP30

openIP20

Dissipation

with conventional rated thermal current without fuse per pole8 W

with conventional rated thermal current without fuse per device24 W

for rated value of the current at AC in hot operating state per pole9.6 W

of the fuse per fuse maximum23 W

Main circuit

rated value250 A

with capacitive load at 400 V rated value72 A

with capacitive load at 500 V rated value55 A

Auxiliary circuit

number of CO contacts for auxiliary contacts0

number of NC contacts for auxiliary contacts0

number of NO contacts for auxiliary contacts0

Suitability

suitability for use main switchNo

suitability for use switch disconnectorYes

suitability for use EMERGENCY OFF switchNo

suitability for use maintenance/repair switchYes

Product details

product function phase failure monitoringNo

undervoltage releaseNo

undervoltage release with leading contactNo

product feature sealableYes

product extension auxiliary switchYes

product extension optional locking capabilityYes

product extension optional phase failure monitoringYes

product extension optional fuse monitoringYes

product extension optional voltage triggerNo

product extension optional overvoltage protection monitoringYes

Product function

product function overvoltage protection monitoringNo

Short circuit

at AC at 240 V with high-speed activation rated value80 kA

at AC at 500 V with high-speed activation rated value80 kA

at AC at 690 V with high-speed activation rated value50 kA

with closed switch at AC at 240 V rated value120 kA

with closed switch at AC at 500 V rated value120 kA

with closed switch at AC at 690 V rated value100 kA

Connections

arrangement of electrical connectors for main current circuitother

solid or stranded minimum70 mm²

solid or stranded maximum185 mm²

finely stranded with core end processing minimum70 mm²

finely stranded with core end processing maximum120 mm²

stranded minimum70 mm²

stranded maximum185 mm²

minimum10 N·m

maximum10 N·m

type of connectable conductor cross-sections of the laminated conductors maximum20 x 10 mm

type of connection technologyBox terminal

Mechanical Design

height306 mm

width183.7 mm

minimum12 mm

maximum30 mm

depth142.2 mm

fastening methodbusbar

floor mountingNo

rail mountingYes

mounting positionhorizontal/vertical

busbar center-to-center spacing60 mm

Net Weight3.26 kg

Environmental conditions

minimum-25 °C

maximum55 °C

minimum-50 °C

maximum80 °C

Certificates

reference code according to IEC 81346-2Q

Accessories 51

Genuine accessories that can be used with the Siemens 3NP1143-1BC20 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
3NP1900-1EF00	Aksesuar
3NP1943-1DA00	Aksesuar
3NP1943-1CD00	Aksesuar
3NP1943-1CB00	Aksesuar
3NP1943-1BG40	Aksesuar
3NP1943-1EB00	Aksesuar
3NP1943-1CF00	Aksesuar
3NP1940-1FA00	Aksesuar
3NP1900-1HA00	Aksesuar
3NG1202	Aksesuar · NH fuse system
3NP1944-1MA20	Aksesuar
3NP1944-1ED00	Aksesuar
3NP1941-1EC00	Aksesuar
3NP1940-1FB00	Aksesuar
3NP1943-1GB20	Bileşen
3NP1943-1GB30	Bileşen
3NP1943-1GB50	Bileşen
3NP1943-1GB10	Bileşen
3NP1943-1GA00	Bileşen
3NP1943-1CA20	Bileşen
3NP1943-1CA10	Bileşen
3NP1943-1GB45	Bileşen
3NP1943-1GB42	Bileşen
3NA3140	Seçmeli zorunlu ürün
3NA3142	Seçmeli zorunlu ürün
3NA3132-6	Seçmeli zorunlu ürün
3NA3136-6	Seçmeli zorunlu ürün
3NA3140-6	Seçmeli zorunlu ürün
3NA3132	Seçmeli zorunlu ürün
3NA3136	Seçmeli zorunlu ürün
3NA6132	Seçmeli zorunlu ürün
3NA6132-4	Seçmeli zorunlu ürün
3NA6132-6	Seçmeli zorunlu ürün
3NA6136	Seçmeli zorunlu ürün
3NA6136-4	Seçmeli zorunlu ürün
3NA6136-6	Seçmeli zorunlu ürün
3NA6140	Seçmeli zorunlu ürün
3ND2140	Seçmeli zorunlu ürün
3ND2136	Seçmeli zorunlu ürün
3ND2132	Seçmeli zorunlu ürün
3NA7142	Seçmeli zorunlu ürün
3NA7140-6	Seçmeli zorunlu ürün
3NA7140	Seçmeli zorunlu ürün
3NA7136-6	Seçmeli zorunlu ürün
3NA7132-6	Seçmeli zorunlu ürün
3NA7132	Seçmeli zorunlu ürün
3NA6142-4	Seçmeli zorunlu ürün
3NA6142	Seçmeli zorunlu ürün
3NA6140-6	Seçmeli zorunlu ürün
3NA6140-4	Seçmeli zorunlu ürün
3NA7136	Seçmeli zorunlu ürün