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Showing Results For: Fuse Switch Disconnectors
Fuse Switch Disconnectors
Fuse switch disconnectors, also called fused disconnect switches, are electrical overcurrent protective devices used in power distribution systems to disconnect electrical circuits and equipment from the power source safely. These devices serve multiple purposes in electrical installations, including protection, isolation, and maintenance. A fuse switch disconnector integrates fuses as part of its design, protecting users and equipment during excessive current flow within the circuit or systems. These disconnectors are housed in protective enclosures that protect against dust, moisture, and tampering. Also, disconnect switches are available in various current and voltage ratings.
Potential Benefits of Fuse Switch Disconnectors:
Fused disconnect switches offer numerous benefits, such as:
- They are highly safe, ensuring smooth performance.
- Compact and more reliable.
- Protect electrical circuits, operators, and other components within a system.
- Cost-effective and made of durable materials for longevity.
- Monitor higher loads
- Easy to install, even in confined spaces.
- Versatile products with a high degree of protection features.
- Meet National Electrical Code (NEC) standards and are RoHS compliant.
Fuse Disconnect Switches and Circuit Breakers: The Key Differences
Fuse switch disconnectors and circuit breakers are electrical devices that perform almost similar functions–protecting against overcurrent and disconnecting circuits when necessary. However, they operate in different ways and have distinct characteristics.
Fuse disconnect switches are typically not resettable and are replaced when blown as compared to circuit breakers that can be reset. Fuse switch disconnectors usually respond more efficiently to overcurrent conditions than to the slower response rate of circuit breakers. Furthermore, circuit breakers are generally more prominent than compact-sized fuse disconnect switches. Additionally, fuse switch disconnectors also differ from circuit breakers in their cost and maintenance requirements.
Different Types of Fuse Switch Disconnectors:
Fuse switch disconnectors come in various types, and the choice of type depends on the specific application and requirements. Some types include:
- Rotary Disconnect Switches
- Knife-Blade Switches
- Circuit Breaker Disconnects.
Typical Applications of Fuse Switch Disconnectors:
Fused switches find an extensive range of versatile applications in various systems, devices, and environments. They are indispensable for scenarios requiring safe electrical maintenance, isolation, and protection in low-voltage electrical systems. Some typical applications of fuse switch disconnectors include:
- Power Distribution Systems
- Power Stations
- Construction
- Production Plants
- Pharmaceuticals
- Telecommunications
- Agriculture
- Electrical Panels
- Data Centers
- Manufacturing
- Commercial & Residential Buildings
- Test & Measurement
- Medical Sectors
- Motor Protection.
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New items
1SCA022837R7110, ABB
The ABB front operated switch fuse has 4-poles. It has 60 W power loss per pole at rated operating conditions. It includes handle and shaft.
Base mounting
Lug terminals
New items
3KF1306-0MR11, Siemens
The Siemens SENTRON switch disconnector with fuse has current ratings of 63 A. The 3KF switch disconnector with fuses are optimized for complex applications in which LV HRC fuses are used. It offers a comprehensive portfolio of protection, switching, measuring and monitoring devices, distribution systems as well as switches and sockets for safe and efficient electrical infrastructure in buildings and industry.
Protect against overload and short circuits
Basic unit without handle
New items
2CSM204753R1801 E 93/32, ABB
E 90 Fuse Disconnectors
E 90 series fuse-disconnectors are designed for connecting and disconnecting circuits under load, providing protection against short circuits and overloads. The case is made of self-extinguishing thermoplastic material resistant to high temperatures (all materials are UL listed) while the contact tips are in silver plated copper.,E 90 fuse-disconnectors can be sealed or padlocked to ensure operator safety during maintenance.,For easy and quick installation E 90 range is fully compatible with connecting bars, terminals and caps of S 200 MCBs
New items
VBF2GE, Schneider Electric
The Schneider Electric TeSys Vario enclosed, main switch disconnector with rotary handle control type. This is used in Preventive maintenance Applications. Supports different padlocking functions from 1 to 3 padlocks 4…8 mm.
Mechanical durability-100000 cycles
Electrical durability-100000 cycles
High performance
New items
3NJ4123-3BF01, Siemens
The Siemens 3NJ4123-3BF01 is a in line fuse switch disconnector has a 3 poles. It has NH1 size of fuse link, has a operating voltage of 440 V and operating current of 250 A.
EAC approved
CE certified
IP30 class protection
New items
3NJ4133-3BT01, Siemens
The Siemens 3NJ4133-3BT01 is a in line fuse switch disconnector has a 3 poles. It has NH1,NH2 size of fuse link, has a operating voltage of 440 V and operating current of 400 A.
EAC approved
CE certified
IP30 class protection
New items
5TC1271, Siemens
The Siemens 5TC1271 is a shutter controller FM isolating relay compact with extension input of 3A,with 230 V AC operating voltage for standard flush mounting boxes with width of 60 mm.
EAC approved
CE certified
New items
1SCA022727R4190, ABB
1SCA022727R4190
The ABB enclosed switch disconnector is using a galvanised steel enclosure, black pistol handle, interlocked cover and defeat able interlocking with polyester coating. It is suitable for outdoor use with respect to UV light and ingress protection. The enclosure have inbuilt gas pressure relief function to protect the user in case of an internal arc. The door is earthed via the hinges. The enclosure is prepared for single and parallel cables. Cable entry types can be blank , ring-flange or C-flange type (FL21), with different cable configuration, like top/bottom or bottom/bottom. The handle is pad lockable for 3 padlocks, cover is interlocked, and interlock function can be bypassed for thermographing.
IP65 protection
The handle is pad lockable for 3 padlocks
New items
1SCA022727R4350, ABB
1SCA022727R4350
The ABB enclosed switch disconnector is using a galvanised steel enclosure, black pistol handle, interlocked cover and defeat able interlocking with polyester coating. It is suitable for outdoor use with respect to UV light and ingress protection. The enclosure have inbuilt gas pressure relief function to protect the user in case of an internal arc. The door is earthed via the hinges. The enclosure is prepared for single and parallel cables. Cable entry types can be blank , ring-flange or C-flange type (FL21), with different cable configuration, like top/bottom or bottom/bottom. The handle is pad lockable for 3 padlocks, cover is interlocked, and interlock function can be bypassed for thermographing.
IP65 protection
The handle is pad lockable for 3 padlocks
New items
1SCA022744R2670, ABB
1SCA022744R2670
The ABB enclosed switch disconnector is using a galvanised steel enclosure, black pistol handle, interlocked cover and defeat able interlocking with polyester coating. It is suitable for outdoor use with respect to UV light and ingress protection. The enclosure have inbuilt gas pressure relief function to protect the user in case of an internal arc. The door is earthed via the hinges. The enclosure is prepared for single and parallel cables. Cable entry types can be blank , ring-flange or C-flange type (FL21), with different cable configuration, like top/bottom or bottom/bottom. The handle is pad lockable for 3 padlocks, cover is interlocked, and interlock function can be bypassed for thermographing.
IP65 protection
The handle is pad lockable for 3 padlocks
New items
1SCA022750R0540, ABB
1SCA022750R0540
The ABB enclosed switch disconnector is using a galvanised steel enclosure, black pistol handle, interlocked cover and defeat able interlocking with polyester coating. It is suitable for outdoor use with respect to UV light and ingress protection. The enclosure have inbuilt gas pressure relief function to protect the user in case of an internal arc. The door is earthed via the hinges. The enclosure is prepared for single and parallel cables. Cable entry types can be blank , ring-flange or C-flange type (FL21), with different cable configuration, like top/bottom or bottom/bottom. The handle is pad lockable for 3 padlocks, cover is interlocked, and interlock function can be bypassed for thermographing.
IP65 protection
The handle is pad lockable for 3 padlocks
New items
1SCA022609R7180, ABB
1SCA022609R7180
The ABB enclosed switch disconnector is using a galvanised steel enclosure, black pistol handle, interlocked cover and defeat able interlocking with polyester coating. It is suitable for outdoor use with respect to UV light and ingress protection. The enclosure have inbuilt gas pressure relief function to protect the user in case of an internal arc. The door is earthed via the hinges. The enclosure is prepared for single and parallel cables. Cable entry types can be blank , ring-flange or C-flange type (FL21), with different cable configuration, like top/bottom or bottom/bottom. The handle is pad lockable for 3 padlocks, cover is interlocked, and interlock function can be bypassed for thermographing.
IP65 protection
The handle is pad lockable for 3 padlocks