Terminals - Turret Connectors

Image Part Number Description / PDF Quantity Rfq
2708-2-00-50-00-00-07-0

2708-2-00-50-00-00-07-0

Mill-Max

TERM TURRET DOUBLE L=4.75MM

0

2505-3-00-50-00-00-07-0

2505-3-00-50-00-00-07-0

Mill-Max

TERM TURRET SINGLE L=4.75MM

0

2109-1-00-50-00-00-07-0

2109-1-00-50-00-00-07-0

Mill-Max

TERM TURRET SINGLE L=3.45MM

0

2806-4-00-80-00-00-07-0

2806-4-00-80-00-00-07-0

Mill-Max

TERM TURRET SNG

0

2325-2-00-50-00-00-07-0

2325-2-00-50-00-00-07-0

Mill-Max

TERM TURRET SINGLE L=2.77MM

0

1070-3-23-80-00-00-01-0

1070-3-23-80-00-00-01-0

Mill-Max

CONN PC PIN CIRC

0

2301-1-00-01-00-00-07-0

2301-1-00-01-00-00-07-0

Mill-Max

TERM TURRET SINGLE L=2.36MM

0

2307-3-00-44-00-00-07-0

2307-3-00-44-00-00-07-0

Mill-Max

TERM TURRET DOUBLE L=4.72MM

0

2806-2-00-50-00-00-07-0

2806-2-00-50-00-00-07-0

Mill-Max

TERM TURRET SINGLE L=12.29MM

0

2113-2-00-50-00-00-07-0

2113-2-00-50-00-00-07-0

Mill-Max

TERM TURRET SINGLE L=2.39MM

0

2505-4-00-80-00-00-07-0

2505-4-00-80-00-00-07-0

Mill-Max

TERM TURRET SNG

0

2806-3-00-01-00-00-07-0

2806-3-00-01-00-00-07-0

Mill-Max

TERM TURRET SINGLE L=12.29MM

0

2803-2-00-44-00-00-07-0

2803-2-00-44-00-00-07-0

Mill-Max

TERM TURRET SINGLE L=4.75MM

0

2510-2-00-50-00-00-07-0

2510-2-00-50-00-00-07-0

Mill-Max

TERM TURRET SINGLE L=3.45MM

0

2102-5-00-44-00-00-07-0

2102-5-00-44-00-00-07-0

Mill-Max

TERM TURRET SINGLE L=2.39MM

0

2804-4-00-01-00-00-07-0

2804-4-00-01-00-00-07-0

Mill-Max

TERM TURRET SINGLE L=8.33MM

0

2108-1-00-01-00-00-07-0

2108-1-00-01-00-00-07-0

Mill-Max

TERM TURRET SINGLE L=3.96MM

0

2804-4-00-50-00-00-07-0

2804-4-00-50-00-00-07-0

Mill-Max

TERM TURRET SINGLE L=8.33MM

0

2304-2-00-50-00-00-07-0

2304-2-00-50-00-00-07-0

Mill-Max

TERM TURRET SINGLE L=2.64MM

0

2501-1-00-50-00-00-07-0

2501-1-00-50-00-00-07-0

Mill-Max

TERM TURRET SINGLE L=5.56MM

0

Terminals - Turret Connectors

1. Overview

Turret Connectors are electrical interconnect solutions featuring cylindrical terminals with threaded posts for secure wire attachment. This screw-type connection mechanism allows reliable termination of stranded or solid wires without soldering. Their vibration-resistant design and high current-carrying capacity make them critical components in automotive, industrial, and aerospace systems requiring robust electrical connections.

2. Major Types and Functional Classification

TypeFunctional CharacteristicsApplication Examples
Single-Turret TerminalSingle threaded post with hexagonal driveAutomotive battery connections
Double-Turret TerminalDual independent threaded postsIndustrial control panels
Weatherproof TurretSealed housing with IP67 ratingMarine electrical systems
High-Temperature TerminalRated for 200 C continuous operationIndustrial ovens

3. Structure and Composition

Typical turret connectors consist of: - Conductive core (brass/copper alloy with gold/silver plating) - Insulating body (high-temperature nylon or PBT) - Threaded turret (M3-M8 metric sizes) - Locking mechanism (nylon insert or mechanical lock tab) - Mounting flange (steel with zinc coating)

4. Key Technical Parameters

ParameterTypical RangeImportance
Current Rating10-100ADefines power transmission capacity
Voltage Rating300-1000VDetermines insulation requirements
Contact Resistance<5m Impacts power efficiency
Insulation Resistance>10G Ensures electrical safety
Temperature Range-55 C to +200 CDefines operational environment
Durability100-5000 cyclesDetermines service life

5. Application Fields

  • Automotive: ECU connections, alternator terminals
  • Industrial: PLC systems, motor controllers
  • Aerospace: Avionics power distribution
  • Consumer: High-end audio amplifiers

6. Major Manufacturers and Products

ManufacturerProduct LineKey Features
TE ConnectivityDT seriesModular design, automotive qualified
AmphenolTurret PowerLineHigh-vibration resistance
MolexTurretXpressQuick-installation system
DelphiAutomotive TerminalsTS16949 certified
3MIndustrial ConnectorsCorrosion-resistant plating

7. Selection Guidelines

Key considerations include: - Current/voltage requirements (select 20% above system needs) - Environmental conditions (temperature, vibration, moisture) - Space constraints (panel cutout dimensions) - Certification requirements (ISO 8092 for automotive) - Maintenance access (positioning for tool engagement) - Cost optimization (balance between precious metal content and conductivity needs)

8. Industry Trends

Current developments include: - Miniaturization for EV power electronics - Composite materials for weight reduction - Integrated sensors for condition monitoring - Lead-free plating technologies - Standardization through IEC 60352-3 updates

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