Fuseholders

Image Part Number Description / PDF Quantity Rfq
FH22MM

FH22MM

Eaton

BUSS FUSEBLOCK

0

5958-22

5958-22

Eaton

FUSE CLIP

0

63/100LSC

63/100LSC

Eaton

CAMASTER SAFETY CARRIER

0

HLT-04-B5-P1-B

HLT-04-B5-P1-B

Eaton

FUSE BLOCK BLADE 125V 15A PCB

0

HM25060-2CR

HM25060-2CR

Eaton

FUSE BLK CLASS H 250V 60A 2POLE

0

BH-0122

BH-0122

Eaton

FUSE BLOK BLT DWN 500V 100A CHAS

0

HM60030-1SR

HM60030-1SR

Eaton

FUSE BLK CLASS H 600V 30A 1POLE

0

HLS-06

HLS-06

Eaton

FUSE BLOCK BLADE 125V 15A PCB

0

RS100PWH

RS100PWH

Eaton

100A BACK STUD CONNECTED-WHITE

0

BG3022B

BG3022B

Eaton

FUSE BLOCK CART 600V 20A CHASSIS

0

RM25100-1CR

RM25100-1CR

Eaton

FUSEHOLDER 100 AMP CLASS R 250V

0

32NNSFBS

32NNSFBS

Eaton

FUSEHOLDER 32A 550V ER 10 1.3KG

0

BK/HPC-D

BK/HPC-D

Eaton

FUSE HLDR CART 600V 30A PNL MNT

0

CHPV2IU

CHPV2IU

Eaton

FUSE HOLDER CART 1000V 30A DIN

0

BMA6033PQ

BMA6033PQ

Eaton

FUSE BLOCK CART 600V 30A CHASSIS

0

1A0065

1A0065

Eaton

FUSE CLIP CART CHASSIS CHASSIS

0

H25100-1SR

H25100-1SR

Eaton

FUSE BLOK CART 250V 100A CHASSIS

0

CH141DIU

CH141DIU

Eaton

FUSE HLDR 14X51 1POLE W/IND

0

CH221DNU

CH221DNU

Eaton

FUSE HLDR 22X58 1POLE +NEUTRAL

0

T30600-1C

T30600-1C

Eaton

FUSE BLOK CART 300V 600A CHASSIS

0

Fuseholders

1. Overview

Fuseholders are mechanical devices designed to safely house and connect fuses into electrical circuits. They ensure reliable mounting, electrical continuity, and safe isolation of fuses during overcurrent protection. As critical components in circuit protection systems, fuseholders prevent equipment damage and fire hazards by enabling controlled interruption of excessive current flow. Their importance spans industries such as power distribution, automotive, and industrial automation, where electrical safety and system reliability are paramount.

2. Main Types and Functional Classification

TypeFunctional FeaturesApplication Examples
Panel Mount FuseholdersEnclosed design with front-accessible fuse compartmentIndustrial control panels, HVAC systems
Base Mount FuseholdersModular design with removable fuse basePower distribution units, electrical substations
Cartridge FuseholdersCylindrical design for DIN-rail mountingProcess automation systems, machinery
SMT (Surface Mount) FuseholdersMiniaturized PCB-mount designConsumer electronics, telecommunications

3. Structure and Components

Typical fuseholders consist of: - Insulating housing (thermoplastic/phenolic resin) - Contact springs (phosphor bronze or beryllium copper) - Fuse retention mechanism (screw/clamp terminals) - Terminal connections (solder tags, PCB pins, or cable lugs) - Arc suppression chamber (ceramic/insulating barriers) The design ensures mechanical stability, low contact resistance (<10m ), and dielectric strength up to 2500VAC.

4. Key Technical Specifications

ParameterTypical RangeImportance
Voltage Rating6-1000V AC/DCDetermines circuit compatibility
Current Rating0.5-630ADefines maximum operational current
Breaking Capacity10kA-50kASafety during fault conditions
Response Time1ms-10sProtection speed for sensitive components
Temperature Range-40 C to +125 CEnvironmental reliability
IP RatingIP20-IP67Protection against dust/water ingress

5. Application Fields

  • Energy: Solar inverters, battery management systems
  • Automotive: EV charging stations, ECU protection
  • Industrial: PLC control circuits, motor drives
  • Telecom: 5G base stations, network switches
  • Aerospace: Avionics power distribution

6. Leading Manufacturers and Products

ManufacturerKey Product SeriesNotable Features
LittelfusePOLO Panel MountModular design with visual indicators
MersenActi 9 seriesHigh breaking capacity (100kA)
EatonCircuit Protection EnclosuresUL94 V-0 rated materials
Bel Fuse0ZC SeriesSurface-mount with over-temperature cutoff

7. Selection Recommendations

Key considerations include: - Matching voltage/current ratings with system requirements - Environmental factors (temperature, vibration, humidity) - Accessibility requirements for fuse replacement - Compliance with standards (UL/IEC/EN) - Short-circuit current capacity of the installation - Mounting orientation and space constraints

Industry Trends and Future Outlook

Emerging trends include: - Miniaturization for EV and portable electronics - Integration with smart monitoring systems (IoT-enabled fuseholders) - Development of RoHS-compliant materials - High-voltage DC compatibility for renewable energy systems - Improved arc flash mitigation technologies The global market is projected to grow at 5.8% CAGR through 2027, driven by electric vehicle adoption and industrial automation demands.

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