Accessories - Boots, Seals

Image Part Number Description / PDF Quantity Rfq
50M1070-1

50M1070-1

Grayhill, Inc.

SEALING WASHER 7.21MM ID BLACK

0

AQB0111

AQB0111

MEC switches

PUSHBUTTON FULL BOOT CLEAR

0

1PA15

1PA15

Honeywell Sensing and Productivity Solutions

LIMIT SWITCH BOOT ASSEMBLY BLACK

0

5.05800.0690000

5.05800.0690000

RAFI

BLINDSTOPFEN RUND, SCHWARZ

0

U5149

U5149

APEM Inc.

TOGGLE FULL BOOT BLACK

0

1825615-2

1825615-2

TE Connectivity ALCOSWITCH Switches

PUSHBUTTON FULL BOOT RED

0

3050-4

3050-4

APM Hexseal

PUSHBUTTON FULL BOOT CLEAR

0

71M1048

71M1048

Grayhill, Inc.

SEAL BLACK

0

N3030 44

N3030 44

APM Hexseal

PUSHBUTTON FULL BOOT RED

0

U853

U853

APEM Inc.

TOGGLE FULL BOOT BLACK

0

58M1422

58M1422

Grayhill, Inc.

SEALING WASHER 9.12MM ID RED

0

U600

U600

APEM Inc.

TOGGLE HALF BOOT BLACK

0

2BT4

2BT4

Altech Corporation

SPARE BOOT FOR BOOTED ACT. 22 MM

50

0098.9214

0098.9214

Schurter

SEAL SWITCH ACCESSORY

0

U13316

U13316

APEM Inc.

TOGGLE FULL BOOT RED

0

A3PJ-5060

A3PJ-5060

Omron Automation & Safety Services

PUSHBUTTON FULL BOOT CLEAR

0

83285-01

83285-01

Wickmann / Littelfuse

KEY BOOT NUT

0

N9040X1/8 RFI 2

N9040X1/8 RFI 2

APM Hexseal

ROTARY SHAFT SEAL GRAY

0

U5897

U5897

APEM Inc.

PUSHBUTTON FULL BOOT WHITE

0

81264-01

81264-01

Wickmann / Littelfuse

TOGGLE BOOT

60

Accessories - Boots, Seals

1. Overview

Switches Accessories - Boots and Seals are critical components designed to protect electrical switches from environmental contaminants and mechanical damage. Boots (protective covers) and Seals (gaskets or O-rings) ensure reliable operation in harsh conditions by preventing dust, liquid, or vibration ingress. These accessories play a vital role in industries requiring durability, such as automotive, industrial automation, and aerospace, where system integrity depends on robust switch performance.

2. Main Types and Functional Classification

TypeFunctional FeaturesApplication Examples
Rubber BootsElastomeric protection with flexibility and vibration dampingIndustrial control panels, handheld devices
Silicone SealsHigh-temperature resistance (up to 200 C), chemical inertnessAutomotive engine compartments, medical devices
Polyurethane BootsHigh abrasion resistance, UV stabilityConstruction equipment, outdoor switchgear
Metallic SealsHermetic sealing for extreme pressure or vacuum environmentsAerospace systems, semiconductor manufacturing

3. Structure and Components

Boots typically consist of a molded elastomeric body with a flanged edge for secure attachment to switch housings. Seals often feature cross-sectional designs like O-rings, lip seals, or gaskets, made from materials such as nitrile rubber, silicone, or fluoropolymer compounds. Both components may include reinforcement layers (e.g., fabric or metal inserts) for mechanical stability and are engineered to match specific switch geometries while maintaining sealing integrity under operational stress.

4. Key Technical Specifications

ParameterDescriptionImportance
Material Hardness (Shore A)50-80 Shore A for optimal sealing pressureDetermines compression force and longevity
Temperature Range-40 C to +150 C (standard), up to 300 C (specialty)Ensures performance in extreme climates
IP RatingIP65 (dust/water jet resistant) to IP69K (high-pressure washdown)Specifies environmental protection level
Compression Set<20% residual deformation after 24h compressionMaintains sealing effectiveness over time

5. Application Fields

  • Automotive: Engine control switches, exterior lighting controls
  • Industrial Automation: PLC control panels, factory floor equipment
  • Marine: Navigation system switches with saltwater protection
  • Medical: Sterilizable surgical tool switches with fluid sealing

6. Leading Manufacturers and Products

ManufacturerRepresentative ProductKey Features
TE ConnectivityDeutsch D-Seal SeriesIP69K rating, automotive-grade silicone
3MScotch-Seal Rubber BootsUV-resistant polyurethane formulation
Bosch RexrothHydraulic System SealsPressure-resistant up to 350 bar
Appleton ElectricExplosion-proof SealsClass I, Div 1 hazardous location certified

7. Selection Recommendations

Consider environmental exposure (e.g., chemical contact, temperature extremes), mechanical stress factors (vibration, compression forces), and regulatory requirements (IP rating, material certifications). For outdoor applications, prioritize UV-resistant materials with IP67+ ratings. In food processing environments, select FDA-approved materials with smooth surfaces for easy cleaning. Always verify dimensional compatibility with switch OEM specifications.

8. Industry Trends

Emerging trends include:

  • Development of nano-coated hybrid materials for self-cleaning seals
  • Integration with smart switch sensors for real-time sealing integrity monitoring
  • Biodegradable elastomers addressing environmental regulations
  • Miniaturization for wearable device applications with 0.1mm precision tolerances
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