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Siemens 3NP1143-1JC21

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

SiemensMFR # 3NP1143-1JC21SKU # CEY-8EF3B0395A16

product designationFuse switch disconnector

busbar designbusbar thickness 5 or 10 mm

design of the safety monitoringelectro mechanical

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, Box terminal, Fuse monitoring: electromechanical, Cover level 32/70 mm

Siemens 3NP1143-1JC21

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Product selection and compatibility support from our technical team
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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 monitoringelectro mechanical

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 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 minimum24 V

at AC rated value maximum690 V

at DC rated value240 V

at DC rated value minimum24 V

at DC rated value maximum250 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 minimum70 mm²

solid or stranded maximum185 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

depth214.8 mm

fastening methodbusbar

floor mountingNo

rail mountingYes

mounting positionhorizontal/vertical

busbar center-to-center spacing60 mm

Net Weight3.979 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 3NP1143-1JC21

About This Product

Siemens 3NP1143-1JC21

Specifications

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