Handles

Part Number	Description / PDF	Quantity
1427WBB Hammond Manufacturing	HANDLE 6"MOUNT/1.64"HIGH BLK	34
1427E1BK Hammond Manufacturing	HANDLE 2" STEEL BLACK 1 PAIR	103
1427GBB Hammond Manufacturing	HANDLE 3"MOUNTING/1.64"HIGH BLK	28
1427C1 Hammond Manufacturing	HANDLE BRASS 3/8" DIAMETER ROUND	271
1427GGC Hammond Manufacturing	HANDLE 3"MOUNT/1.64"HIGH GR/CLR	40
1427TGC Hammond Manufacturing	HANDLE 5"MOUNT/1.64"HIGH GR/CLR	17
1427R Hammond Manufacturing	HANDLE METAL	2
M3299-1301 Hammond Manufacturing	HANDLE ALUMINUM MATTE 4.7X1.6"	16
M3299-1131 Hammond Manufacturing	HANDLE ALUMINUM MATTE 1.3X1.6"	37
M263-1 Hammond Manufacturing	HANDLE FOLDING FLUSH MT 2/PKG	15
M268-3 Hammond Manufacturing	HANDLE ALUMINUM MATTE 4.8X1.6"	415
1427E Hammond Manufacturing	HANDLE 2"MOUNTING/1"HEIGHT	33
1427TBB Hammond Manufacturing	HANDLE 5"MOUNT/1.64"HIGH BLK	34
1427NBC Hammond Manufacturing	HANDLE 3.5"MNT/1.64"HIGH BLK/CLR	26
1427C9 Hammond Manufacturing	HANDLE OVAL NICKEL FINISH BRASS	32
1427LBB Hammond Manufacturing	HANDLE 7"MOUNTING/1.64"HIGH BLK	29
1427T Hammond Manufacturing	HANDLE ROUND 5"MOUNT/1.5"HIGH	56
1427MBB Hammond Manufacturing	HANDLE 5.5"MOUNT/1.64" HIGH BLK	17
1427B2BK Hammond Manufacturing	HANDLE STEEL BLACK 2/PACK	488
M268-4 Hammond Manufacturing	HANDLE ALUMINUM MATTE 7.1X1.6"	13

Handles

1. Overview

Handles for boxes, enclosures, and racks are critical mechanical components designed to facilitate safe and ergonomic handling of technical equipment. These components enable efficient installation, maintenance, and mobility of enclosures housing electrical, electronic, or mechanical systems. In modern industrial, data center, and automation environments, standardized handle solutions ensure operational reliability while meeting safety and durability requirements.

2. Major Types and Functional Classification

Type	Functional Characteristics	Application Examples
Flush Mount Handles	Low-profile design with concealed mounting	Server racks, control cabinets
Foldable Handles	Space-saving retractable mechanism	Portable test equipment, mobile racks
Overcenter Latches with Handles	Integrated locking and lifting functionality	Industrial enclosures, NEMA-rated cabinets
Knob Handles	Ergonomic rotary grip design	Toolboxes, small instrument enclosures

3. Structural and Technical Composition

Typical handle systems consist of: 1) Load-bearing base plates (steel/aluminum alloys), 2) Gripping elements (thermoplastic/nylon coatings), 3) Mechanical fastening systems (stainless steel screws/pins), and 4) Optional sealing interfaces. Advanced designs incorporate vibration dampening materials and corrosion-resistant surface treatments like powder coating or electropolishing.

4. Key Technical Parameters

Parameter	Importance	Typical Values
Load Capacity	Ensures structural integrity under stress	25-200 kg
Material Grade	Determines environmental resistance	Stainless steel, PA66
Installation Dimensions	Guarantees compatibility with enclosures	M4-M8 threaded holes
Operating Temperature	Defines environmental adaptability	-20 C to +80 C

5. Application Fields

Industrial automation (PLC control cabinets)
Data centers (server rack systems)
Telecommunications (outdoor enclosures)
Medical equipment (diagnostic instrument cases)
Military/defense (ruggedized transport cases)

6. Leading Manufacturers and Products

Manufacturer	Representative Product	Key Features
Panduit	Toolless Rack Handle Kit	Quick-release mechanism
Rittal	TS 8 Cabinet Handle	IP54 sealing compatibility
Hammond Manufacturing	1551XX Series	UV-resistant polymer construction

7. Selection Recommendations

Key considerations: 1) Environmental conditions (temperature, corrosive agents), 2) Mechanical load requirements, 3) Compatibility with enclosure standards (IEC 60529), 4) Maintenance accessibility, 5) Cost-efficiency ratio. For high-vibration environments, select handles with anti-loosening features. In cleanrooms, specify non-shedding materials.

8. Industry Trends

Current developments include: 1) Integration with smart monitoring systems (IoT-enabled handles), 2) Adoption of composite materials for weight reduction, 3) Modular quick-swap designs, 4) Enhanced ergonomics through biomechanical research. Sustainability trends drive the use of recyclable thermoplastics and powder coating processes with 95%+ material efficiency.