Terminals - Ring Connectors

Part Number	Description / PDF	Quantity
P14-6RHT6-M Panduit Corporation	CONN RING CIRC 14-18AWG #6 CRIMP	1285
PV12-38HDR-D Panduit Corporation	CONN RING CIRC 12-16AWG #3/8	8803000
E14-6RB-L Panduit Corporation	STRONGHOLD RING TERMINAL, NON-IN	286
P8-12RHT6-Q Panduit Corporation	CONN RING D-SHAPE 8AWG #1/2	63
S250-12R-5 Panduit Corporation	CONN RING FLAT 250MCM #1/2 CRIMP	175615
PV22-6R-CY Panduit Corporation	CONN RING CIRC 22-26AWG #6 CRIMP	0
PN10-8R-D Panduit Corporation	CONN RING CIRC 10-12AWG #8 CRIMP	2480
PV4-10R-E Panduit Corporation	CONN RING FLAT 4AWG #10 CRIMP	5180
PV8-10R-TY Panduit Corporation	CONN RING FLAT 8AWG #10 CRIMP	878
PNF18-10R-M Panduit Corporation	CONN RING CIRC 18-22AWG #10	0
PV4-38R-E Panduit Corporation	CONN RING FLAT 4AWG #3/8 CRIMP	188
P6-14R-E Panduit Corporation	CONN RING CIRC 6AWG #1/4 CRIMP	975840
PMV6-3R-L Panduit Corporation	CONN RING CIRC 10-12AWG M3 CRIMP	20809600
PV10-14RB-2K Panduit Corporation	CONN RING CIRC 10-12AWG #1/4	0
PV18-38RX-LY Panduit Corporation	CONN RING CIRC 18-22AWG #3/8	125
P22-8R-M Panduit Corporation	CONN RING CIRC 22-26AWG #8 CRIMP	7078
PH14-38R-Q Panduit Corporation	CONN RING CIRC 14-16AWG #3/8	211100
P2-38R-T Panduit Corporation	CONN RING CIRC 2AWG #3/8 CRIMP	127722000
PV6-38R-T Panduit Corporation	CONN RING FLAT 6AWG #3/8 CRIMP	282
PV6-56RX-X Panduit Corporation	CONN RING FLAT 6AWG #5/16 CRIMP	5

Terminals - Ring Connectors

1. Overview

Ring connectors are cylindrical metallic terminals with a closed loop at one end, designed to establish secure electrical connections between wires and screw-type terminals. They prevent wire fraying and ensure stable contact in high-vibration environments. Critical for power transmission and signal integrity in industrial and automotive systems.

2. Main Types & Functional Classification

Type	Functional Features	Application Examples
Open Barrel Ring	Split design for easy wire insertion	Battery terminals, control panels
Closed Barrel Ring	360 compression for maximum conductivity	High-vibration machinery
Insulated Ring	Polymer coating for short-circuit prevention	Automotive electronics

3. Structure & Composition

Typical construction includes:

Copper alloy body (C11000/C14500) with tin/nickel plating
Insulation sleeve (PVC/nylon, 105 C rating)
Barrel section with 2-3 crimping zones for wire retention
Loop diameter tolerance 0.1mm for screw compatibility

4. Key Technical Specifications

Parameter	Typical Range	Importance
Ampacity	10-150A	Current carrying capacity
Contact Resistance	0.5-5m	Power loss prevention
Dielectric Strength	1kV-5kV	Insulation reliability
Vibration Resistance	15G @ 10Hz-2kHz	Automotive compliance

5. Application Fields

Primary industries:

Automotive (battery cables, alternator connections)
Industrial automation (PLC terminals, motor drives)
Renewable energy (solar charge controllers)
Aerospace (avionics grounding systems)

6. Leading Manufacturers & Products

Manufacturer	Product Series	Key Features
TE Connectivity	DT Ring Terminals	Corrosion-resistant alloy, 125A rating
Phoenix Contact	RTME Series	Push-in wire connection, 600V compliance
Sumitomo Electric	HR4H-S-DC5V	Automotive-grade tin-plated copper

7. Selection Guidelines

Key considerations:

Current/voltage requirements
Wire gauge compatibility (AWG 22-4/0)
Environmental factors (temperature, humidity, vibration)
UL/CSA certification for safety compliance
Color-coded insulation for circuit identification

8. Industry Trends

Emerging developments include:

Miniaturization for EV battery management systems
Graphene-enhanced plating for corrosion resistance
Smart connectors with integrated current sensing
Lead-free manufacturing processes (RoHS compliance)