Handles

Image	Part Number	Description / PDF	Quantity	Rfq
	SRH-4RUR Califia Lighting (Bivar)	SUBRACK HANDLE	0
	SRH-3RUT Califia Lighting (Bivar)	SUBRACK HANDLE	0
	SRH-2RUT Califia Lighting (Bivar)	SUBRACK HANDLE	0
	SRH-3RUR Califia Lighting (Bivar)	SUBRACK HANDLE	0
	SRH-2RUO Califia Lighting (Bivar)	SUBRACK HANDLE	0
	SRH-2RUFM Califia Lighting (Bivar)	LOW PROFILE FOLDABLE SUBRACK HAN	0
	SRH-4RUT Califia Lighting (Bivar)	SUBRACK HANDLE	0
	SRH-3RUO Califia Lighting (Bivar)	SUBRACK HANDLE	0
	SRH-4RUO Califia Lighting (Bivar)	SUBRACK HANDLE	0
	SRH-6RUO Califia Lighting (Bivar)	SUBRACK HANDLE	0
	SRH-6RUR Califia Lighting (Bivar)	SUBRACK HANDLE	0
	SRH-2RUR Califia Lighting (Bivar)	SUBRACK HANDLE	0

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.