Rectangular Connectors

Rectangular Connectors - Accessories

Image	Part Number	Description / PDF	Quantity	Rfq
	09185609002 HARTING	SEK-18 ACCPCRAIN RELIEF CLAMP F	0
	0918000990558U HARTING	SEK-18 ACCLOCKING LEVER FE BULK	0
	09468400000 HARTING	HPP V4 POWER CODING KEY SET (5PC	0
	09350045411 HARTING	HAN PP POWER L DUST CAP PLUG IP6	0
	09350025413 HARTING	HAN PUSHPULL CABLE SIDE DUST COV	0
	09180009906 HARTING	SEK-18 FIXING SCREWS (1 BAG 50	0
	09350040321 HARTING	HAN PUSHPULL POWER L-BASE PANEL	0
	09190009903 HARTING	SEK-19 ACC.MA LONG L.LEVER 100PC	0
	02095000004 HARTING	HAR-MODULAR T-GUIDE PIN W/ SELF-	0
	09350049907 HARTING	HAN PP POWER L SEAL 4-6,5MM (PPQ	0
	0918520900258U HARTING	SEK PCRAIN RELIEF CLAMP FE 20P B	0
	09185249002 HARTING	SEK/IDC FEMALE, 24PIN STRAIN REL	0
	09194166324001 HARTING	SEK-19 SV HT MA LP PCR29 16P/14C	0
	0918510900258U HARTING	SEK PCRAIN RELIEF CLAMP FE 10P B	0
	09350045401 HARTING	HAN PUSHPULL POWER L PROTECT. CO	0
	09455451320 HARTING	HPP V4 HYBRID C-PFT HOUSING	0
	0918514900258U HARTING	SEK PCRAIN RELIEF CLAMP FE 14P B	0
	09458450020 HARTING	HPP V4 YELLOW SECURITY CLIP	0
	0919000990458U HARTING	SEK-19 ACC.MA SHORT L.LEVER 5'00	0
	0918000990358U HARTING	SEK-18 MA LONG LLEVER 5'000 PCS	0

Rectangular Connectors - Accessories

1. Overview

Rectangular connectors - accessories refer to supplementary components designed to enhance the performance, durability, and functionality of rectangular electrical connectors. These accessories include covers, locking mechanisms, cable clamps, adapters, and sealing elements. They play a critical role in protecting connectors from environmental factors, ensuring mechanical stability, and enabling compatibility across systems. With the increasing complexity of electronic systems in industries like telecommunications, automotive, and industrial automation, these accessories have become essential for maintaining reliable signal and power transmission.

2. Main Types and Functional Classification

Type	Function	Application Example
Dust Covers	Protect connectors from dust, moisture, and debris	Outdoor communication equipment
Locking Rings	Prevent accidental disconnection under vibration	Aerospace sensor systems
Cable Clamps	Secure cables to prevent strain on contacts	Industrial machinery
Adapter Panels	Enable interface between different connector standards	Data center server racks
Sealing Grommets	Provide IP67-rated watertight seals	Marine electronics
Mounting Brackets	Facilitate secure panel or PCB installation	Medical diagnostic devices

3. Structure and Composition

Typical accessories consist of:

Material: High-temperature resistant plastics (e.g., PBT, nylon) or metal alloys (e.g., aluminum, stainless steel)
Design: Molded housings with snap-fit or threaded interfaces
Coatings: Corrosion-resistant platings (e.g., nickel, zinc)
Sealing Elements: Elastomer O-rings or gaskets for environmental protection

4. Key Technical Specifications

Parameter	Description	Importance
Material Type	Plastic/metal composition	Determines durability and temperature resistance
Operating Temp	-55 C to +125 C range	Ensures performance in extreme conditions
IP Rating	IP65 to IP68	Defines protection level against solids/liquids
Contact Resistance	10m	Maintains signal integrity
Vibration Resistance	MIL-STD-202F compliant	Prevents failure in dynamic environments
Installation Method	Push-pull, screw, or clip-on	Affects ease of maintenance

5. Application Fields

Key industries utilizing these accessories include:

Telecommunications: 5G base stations, fiber optic enclosures
Automotive: EV charging systems, ADAS sensors
Industrial Automation: PLC control cabinets, robotic arms
Medical: MRI machines, patient monitoring systems
Aerospace: Avionics, satellite communication modules

6. Leading Manufacturers and Products

Manufacturer	Representative Product	Key Feature
TE Connectivity	Dura-Con Dust Covers	UL94 V-0 flammability rating
Amphenol	Sealed Panel Mount Kits	IP68 protection up to 3m depth
Molex	Mini50 Locking Adapters	High-density signal conversion
Delphi	Automotive Grade Cable Clamps	Vibration tested to 2000 hours
ITT Cannon	Ruggedized MIL-DTL-38999 Adapters	Operating temp -65 C to +200 C

7. Selection Guidelines

Key considerations for selection:

Environmental Conditions: Outdoor applications require UV-resistant materials
Connector Compatibility: Match dimensions with IEC 61076 standards
Sealing Requirements: Select IP67/IP68 for submersion applications
Material Selection: Aluminum for EMI shielding, plastic for weight-sensitive uses
Regulatory Compliance: RoHS/REACH for EU markets, UL certification for North America

8. Industry Trends

Emerging developments include:

Miniaturization: Sub-1mm pitch accessories for IoT devices
Modular Designs: Interchangeable components for rapid system reconfiguration
Smart Integration: Embedded sensors in locking mechanisms for predictive maintenance
Eco-friendly Materials: Bio-based polymers replacing traditional plastics
High-Speed Compatibility: Accessories supporting 25+ Gbps data rates