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Fuse switch disconnector

Fuse switch disconnectors are essential components in electrical distribution and industrial automation systems, designed to provide both overcurrent protection and safe isolation of circuits. These devices combine the functionality of a fuse holder with a switch disconnector, allowing for manual operation to disconnect power while the fuse elem...

Fuse switch disconnectors are essential components in electrical distribution and industrial automation systems, designed to provide both overcurrent protection and safe isolation of circuits. These devices combine the functionality of a fuse holder with a switch disconnector, allowing for manual operation to disconnect power while the fuse element protects against short circuits and overloads. Typically available in configurations such as 1P, 2P, 3P, and 4P, with rated currents ranging from 32A to 1250A, they operate at voltages up to 690V AC or 440V DC. Key technical features include high breaking capacity, visible contact gaps for safe isolation, and compatibility with various fuse types like NH, DIAZED, or NEOZED. Mounting options include DIN rail, panel, or base mounting, with accessories like auxiliary contacts, shunt trips, and padlockable handles for enhanced safety and control.

These devices are widely deployed in industrial control panels, power distribution boards, motor control centers, and building electrical systems. They are critical in sectors such as manufacturing, energy, infrastructure, and commercial facilities, where reliable circuit protection and maintenance isolation are required. Common applications include feeder protection, motor branch circuits, transformer protection, and backup power systems. Their robust design ensures safe operation in harsh environments, with IP ratings up to IP65 for outdoor or dusty conditions.

The category includes subcategories like NH fuse switch disconnectors, DIAZED fuse bases, and NEOZED fuse holders. Key article codes often follow patterns such as "FUSER-3P-100A" or "FSD-4P-630A", where the prefix indicates the type (e.g., FUSER for fuse switch, FSD for fuse switch disconnector), followed by pole count and rated current. Main articles include models like FUSER-3P-63A, FSD-4P-250A, and NH-3P-400A, each designed for specific current ratings and fuse sizes. These codes are standardized for easy identification and ordering.

Partnering with Electric Automation Network ensures access to genuine products with real-time pricing and global express shipping. Our team of specialized engineers provides personalized technical support, including fuse selection, coordination studies, and installation guidance. Each product listing includes detailed technical documentation, datasheets, and CAD drawings, enabling informed decisions. We prioritize fast delivery to minimize downtime, serving clients worldwide with a commitment to quality and reliability.

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Manufacturer Code Reference Catalog Number Description Delivery Price

3NP1163-1JC10

3NP1163-1JC10

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SENTRON, Fuse switch disconnector 3NP1, 3-pole, NH3, 630 A, for Rittal busbar system 60 mm, flat terminal, Cover level 32/70 mm

LOAD DISCONNECT WITH 3-POLE FUSES, NH3, 630A FOR 60MM BUSBAR SYSTEMS RITTAL FLAT CONNECTOR COVER.

 		3 View Availability View Price

3NC1092

3NC1092

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SITOR fuse switch 10x 38, Up to 32 A, 690 V AC, 2-pole

INTERRUPT.-SECC.-FUSIBLE SITOR 10X38, UP TO 32A, 690V AC ( ** ATTENTION : Price per 1 Unit and Minimum Quantity / Order Multiple 6 Units ** ). Cancelations and returns limited. Consult conditions.

 		3 View Availability View Price

3NC1091

3NC1091

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SITOR fuse switch 10x 38, Up to 32 A, 690 V AC

INTERRUPT.-SECC.-FUSE SITOR 10X38, UP TO 32A, 690V AC ( ** ATTENTION : Price per 1 Unit and Minimum Order/Order Multiple 12 Units ** ).

 		3 View Availability View Price

3NW1008-0HG

3NW1008-0HG

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SENTRON, cylindrical fuse link, Class CC, 0.8 A, time-lag, Un AC: 600 V, respect national installation rules! for protection of control transformers, reactors and selenoids

FUSE CARTRIDGE CLASS CC ACCORDING TO UL STANDARD 248-4 SLOW INTENSITY ASSIGNED 0.8A RATED VOLTAGE UP TO 600 V AC SIZE 10.3 MM X 38.1 MM ( ** ATTENTION : Price per 1 Unit and Minimum Quantity / Order Multiple 10 Units ** ). Cancelations and returns limited. Consult conditions.

 		3 View Availability View Price

3NP1143-1DA11

3NP1143-1DA11

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SENTRON, Fuse switch disconnector 3NP1, 3-pole, NH1, 250 A, for assembly and installation on mounting plate, flat terminal, Fuse monitoring: electromechanical, Cover level 70 mm

DISCONNECTOR UNDER LOAD WITH FUSES 3 POLES, NH1, 250A FOR FIXING BASED ON ELECTROMECHANICAL FUSE CONTROL. Manufactured to customer specifications. Non-Cancelable Non-Returnable.

 		3 View Availability View Price

3NP1133-1JC13

3NP1133-1JC13

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SENTRON, Fuse switch disconnector 3NP1, 3-pole, NH00, 160 A, for Rittal busbar system 60 mm, flat terminal, Fuse monitoring: electronic EFM20, Cover level 32/70 mm

DISCONNECTOR UNDER LOAD WITH FUSES 3 POLES, NH00, 160A FOR 60MM BUSBAR SYSTEMS COVER FOR RITTAL FLAT CONNECTOR WITH ELECTRONIC FUSE CONTROL, EFM 20. Manufactured to order. Non-Cancelable Non-Returnable.

 		3 View Availability View Price

3NP1133-1JC10

3NP1133-1JC10

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SENTRON, Fuse switch disconnector 3NP1, 3-pole, NH00, 160 A, for Rittal busbar system 60 mm, flat terminal, Cover level 32/70 mm

LOAD DISCONNECT WITH 3-POLE FUSES, NH00, 160A FOR 60MM BUSBAR SYSTEMS RITTAL FLAT CONNECTOR COVER.

 		3 View Availability View Price

3NP1143-1JC11

3NP1143-1JC11

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

DISCONNECTOR UNDER LOAD WITH FUSES 3 POLES, NH1, 250A FOR 60MM BUSBAR SYSTEMS COVER FOR RITTAL FLAT CONNECTOR ELECTROMECHANICAL FUSE CONTROL. Manufactured to order. Non-Cancelable Non-Returnable.

 		3 View Availability View Price

3NP1143-1JC20

3NP1143-1JC20

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

LOAD DISCONNECT WITH 3-POLE FUSES, NH1, 250A FOR 60MM BUSBAR SYSTEMS FOR RITTAL TERMINAL.

 		3 View Availability View Price

3NP1143-1JC21

3NP1143-1JC21

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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

DISCONNECTOR UNDER LOAD WITH 3-POLE FUSES, NH1, 250A FOR 60MM BUSBAR SYSTEMS FOR RITTAL TERMINAL ELECTROMECHANICAL FUSE CONTROL. Manufactured to order. Non-Cancelable Non-Returnable.

 		3 View Availability View Price

3NP1143-1JC23

3NP1143-1JC23

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SENTRON, Fuse switch disconnector 3NP1, 3-pole, NH1, 250 A, for Rittal busbar system 60 mm, Box terminal, Fuse monitoring: electronic EFM20, Cover level 32/70 mm

DISCONNECTOR UNDER LOAD WITH 3-POLE FUSES, NH1, 250A FOR 60MM BUSBAR SYSTEMS FOR RITTAL TERMINAL WITH ELECTRONIC FUSE CONTROL, EFM 20. Manufactured to order. Non-Cancelable Non-Returnable.

 		3 View Availability View Price

3NP1143-1DA10

3NP1143-1DA10

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SENTRON, Fuse switch disconnector 3NP1, 3-pole, NH1, 250 A, for assembly and installation on mounting plate, flat terminal, cover level 70 mm

ON-LOAD DISCONNECTOR WITH 3-POLE FUSES, NH1, 250A FOR BASE FIXING.

 		3 View Availability View Price

3NP1143-1DA13

3NP1143-1DA13

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SENTRON, Fuse switch disconnector 3NP1, 3-pole, NH1, 250 A, for assembly and installation on mounting plate, flat terminal, Fuse monitoring: electronic EFM20, Cover level 70 mm

UNDER LOAD DISCONNECTOR WITH 3 POLE FUSES, NH1, 250A FOR BASE FIXING WITH ELECTRONIC FUSE CONTROL, EFM 20.

 		3 View Availability View Price

3NP1143-1DA12

3NP1143-1DA12

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SENTRON, Fuse switch disconnector 3NP1, 3-pole, NH1, 250 A, for assembly and installation on mounting plate, flat terminal, Fuse monitoring: electronic EFM10, Cover level 70 mm

ON-LOAD DISCONNECTOR WITH 3-POLE FUSES, NH1, 250A FOR BASE FIXING WITH ELECTRONIC FUSE CONTROL, EFM 10.

 		3 View Availability View Price

3NP1133-1BB23

3NP1133-1BB23

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SENTRON, Fuse switch disconnector 3NP1, 3-pole, NH00, 160 A, for Busbar system 8US 40 mm, Box terminal, Fuse monitoring: electronic EFM20, Cover level 32/70 mm

DISCONNECTOR UNDER LOAD WITH FUSES 3 POLES, NH00, 160A FOR 40MM BUSBAR SYSTEMS WITH ELECTRONIC FUSE CONTROL, EFM 20. Manufactured to order. Non-Cancelable Non-Returnable.

 		3 View Availability View Price

3NP1133-1BB20

3NP1133-1BB20

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SENTRON, Fuse switch disconnector 3NP1, 3-pole, NH00, 160 A, for Busbar system 8US 40 mm, Box terminal, Cover level 32/70 mm

ON-LOAD DISCONNECTOR WITH 3 POLE FUSES, NH00, 160A FOR 40MM BUSBAR SYSTEMS.

 		3 View Availability View Price

3NP1133-1BB21

3NP1133-1BB21

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SENTRON, Fuse switch disconnector 3NP1, 3-pole, NH00, 160 A, for Busbar system 8US 40 mm, Box terminal, Fuse monitoring: electromechanical, Cover level 32/70 mm

UNDER LOAD DISCONNECTOR WITH 3 POLE FUSES, NH00, 160A FOR BUSBAR SYSTEMS 40MM ELECTROMECHANICAL FUSE CONTROL.

 		3 View Availability View Price

3NP1123-1JB23

3NP1123-1JB23

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SENTRON, Fuse switch disconnector 3NP1, 3-pole, NH000, 160 A, for Rittal busbar system 40 mm, box terminal, Fuse monitoring: electronic EFM20, Cover level 32/70 mm

DISCONNECTOR UNDER LOAD WITH FUSES 3 POLES, NH000, 160A FOR BUSBAR SYSTEMS 40MM FOR RITTAL TERMINAL WITH ELECTRONIC FUSE CONTROL, EFM 20. Manufactured to order. Non-Cancelable Non-Returnable.

 		3 View Availability View Price

3NP1123-1JB22

3NP1123-1JB22

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SENTRON, Fuse switch disconnector 3NP1, 3-pole, NH000, 160 A, for Rittal busbar system 40 mm, box terminal, Fuse monitoring: electronic EFM10, Cover level 32/70 mm

DISCONNECTOR UNDER LOAD WITH FUSES 3 POLES, NH000, 160A FOR BUSBAR SYSTEMS 40MM FOR RITTAL TERMINAL WITH ELECTRONIC FUSE CONTROL, EFM 10. Manufactured to order. Non-Cancelable Non-Returnable.

 		3 View Availability View Price

3NP1163-1JC22

3NP1163-1JC22

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SENTRON, Fuse switch disconnector 3NP1, 3-pole, NH3, 630 A, for Rittal busbar system 60 mm, Box terminal, Fuse monitoring: electronic EFM10, Cover level 32/70 mm

UNDER-LOAD DISCONNECTOR WITH 3-POLE, NH3, 630A FUSES FOR 60MM BUSBAR SYSTEMS FOR RITTAL TERMINAL WITH ELECTRONIC FUSE CONTROL, EFM 10. Manufactured to order. Non-Cancelable Non-Returnable.

 		3 View Availability View Price

3NP1163-1JC20

3NP1163-1JC20

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SENTRON, Fuse switch disconnector 3NP1, 3-pole, NH3, 630 A, for Rittal busbar system 60 mm, Box terminal, Cover level 32/70 mm

LOAD DISCONNECT WITH 3-POLE FUSES, NH3, 630A FOR RITTAL TERMINAL 60MM BUSBAR SYSTEMS.

 		3 View Availability View Price

3NP1163-1JC21

3NP1163-1JC21

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SENTRON, Fuse switch disconnector 3NP1, 3-pole, NH3, 630 A, for Rittal busbar system 60 mm, Box terminal, Fuse monitoring: electromechanical, Cover level 32/70 mm

DISCONNECTOR UNDER LOAD WITH 3-POLE FUSES, NH3, 630A FOR 60MM BUSBAR SYSTEMS FOR RITTAL TERMINAL ELECTROMECHANICAL FUSE CONTROL. Manufactured to order. Non-Cancelable Non-Returnable.

 		3 View Availability View Price

3NP5360-0EA86

3NP5360-0EA86

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SENTRON, Fuse switch disconnector 3NP5, 3-pole, NH2, 400 A, for assembly and installation on mounting plate, with High-speed closing, screw terminal, Fuse monitoring: through 3RV, Auxiliary switch at Switch disconnector: 1 NO+1 NC, Auxiliary switch at the Fuse monitoring: 1 NO+1 NC

Disconnectors with fuses under load I=400A, U=690V, auxiliary contact block 1NA+1NC, with wire terminals fuse size NH1 and NH2, with fuse monitoring by 3VU13, with 1NA+1NC.

 		3 View Availability View Price

3NP1143-1BC20

3NP1143-1BC20

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

ON-LOAD DISCONNECTOR WITH 3-POLE FUSES, NH1, 250A FOR 60MM BUSBAR SYSTEMS.

 		3 View Availability View Price

3NP1143-1BC21

3NP1143-1BC21

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

ON-LOAD DISCONNECT WITH 3 POLE FUSES, NH1, 250A FOR 60MM BUSBAR SYSTEMS ELECTROMECHANICAL FUSE CONTROL.

 		3 View Availability View Price

3NP1133-1JB10

3NP1133-1JB10

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SENTRON, Fuse switch disconnector 3NP1, 3-pole, NH00, 160 A, for Rittal busbar system 40 mm, flat terminal, Cover level 32/70 mm

LOAD DISCONNECT WITH 3-POLE FUSES, NH00, 160A FOR RITTAL 40MM BUSBAR SYSTEMS COVER FOR RITTAL FLAT CONNECTOR.

 		3 View Availability View Price

3NP5360-0EA26

3NP5360-0EA26

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SENTRON, Fuse switch disconnector 3NP5, 3-pole, NH2, 400 A, for assembly and installation on mounting plate, with High-speed closing, screw terminal, Fuse monitoring: through 3RV, Auxiliary switch at Switch disconnector: 1 NO+1 NC, Auxiliary switch at the Fuse monitoring: 2 NO

Disconnectors with fuses under load I=400A, U=690V auxiliary contact block 1NA+1NC, with NH1 and NH2 fuse size cable terminals, with fuse monitoring by 3VU13, with auxiliary contact 2NA. Manufactured to order. Non-Cancelable Non-Returnable.

 		3 View Availability View Price

3NC2291-5

3NC2291-5

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SITOR fuse-disconnector with signaling switch Contact of the micro-switch: flat plug-contact A2,8 x 0,5 mm in accordance with DIN 46244

SITOR FUSE DISCONNECTOR WITH SIGNALING BLOCK ( ** ATTENTION : Price per 1 Unit and Minimum Quantity / Order Multiply 6 Units ** ). Cancelations and returns limited. Consult conditions.

 		3 View Availability View Price

3NP5065-1CF10

3NP5065-1CF10

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SENTRON, Fuse switch disconnector 3NP5, 3-pole, NH00, 160 A, with Adapter for Busbar system 8US 40 mm, with high-speed closing, screw terminal, Auxiliary switch on switch disconnector: 1 NO+1 NC

Disconnectors with fuses under load, I=160A, U=690V, 3-pole, auxiliary contact block 1NA+1NC, with adapter for 40mm system, with lower cable terminals, NH00 fuse size. Manufactured to order. Non-Cancelable Non-Returnable.

 		3 View Availability View Price

3NP5360-0CA10

3NP5360-0CA10

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SENTRON, Fuse switch disconnector 3NP5, 3-pole, NH2, 400 A, for assembly and installation on mounting plate, with High-speed closing, screw terminal, Auxiliary switch on switch disconnector: 1 NO+1 NC

Disconnectors with fuses under load I=400A, U=690V, auxiliary contact block 1NA+1NC fuse size NH1 and NH2, with cable terminals.

 		3 View Availability View Price

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