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Siemens 3NP1143-1JC12

SENTRON, Fuse switch disconnector 3NP1, 3-pole, NH1, 250 A, for Rittal busbar system 60 mm, flat terminal, Fuse monitoring: electronic EFM10, Cover level 32/70 mm

SiemensMFR # 3NP1143-1JC12SKU # CEY-8EF3B0395A19

product designationFuse switch disconnector

busbar designbusbar thickness 5 or 10 mm

design of the safety monitoringelectronic EFM 10

design of the load switch strip formNo

number of poles3

type of deviceFor Rittal 60 mm busbar system

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About This Product

SENTRON, Fuse switch disconnector 3NP1, 3-pole, NH1, 250 A, for Rittal busbar system 60 mm, flat terminal, Fuse monitoring: electronic EFM10, Cover level 32/70 mm

Siemens 3NP1143-1JC12

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 monitoringelectronic EFM 10

design of the load switch strip formNo

type of the driving mechanism motor driveNo

General technical data

number of poles3

type of deviceFor Rittal 60 mm 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 pollution2

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

let-through current with high-speed activation maximum25 kA

at AC rated value minimum230 V

at AC rated value maximum690 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 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 minimum16 mm²

solid or stranded maximum150 mm²

stranded minimum16 mm²

stranded maximum150 mm²

minimum10 N·m

maximum12 N·m

type of connectable conductor cross-sections of the laminated conductors maximum25 x 18 mm

type of connection technologyFlat terminal

Mechanical Design

height306 mm

width183.7 mm

minimum12 mm

maximum30 mm

depth169.5 mm

fastening methodbusbar

floor mountingNo

rail mountingYes

mounting positionhorizontal/vertical

busbar center-to-center spacing60 mm

Net Weight3.568 kg

Environmental conditions

minimum-25 °C

maximum55 °C

minimum-50 °C

maximum80 °C

Certificates

reference code according to IEC 81346-2Q

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Siemens 3NP1143-1JC12

About This Product

Siemens 3NP1143-1JC12

Specifications

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