Overview
The LEMO FGG.4B circular connector is a high-performance push-pull connector engineered for secure and reliable cable connections in industrial control systems, servo applications, and automation equipment. Part of LEMO’s B-Series indoor keyed connectors, the FGG.4B delivers consistent electrical performance and mechanical durability across demanding environments.
Key Features
- Push-pull self-locking mechanism for positive connection verification
- Chrome-plated brass shell provides corrosion resistance and durability
- Gold-plated contacts ensure low-resistance mating and wear resistance
- IP50 ingress protection rating protects against dust and moisture
- Keyed design prevents incorrect mating
- Mechanical keying (G-orientation) for safe, error-free assembly
Technical Specifications
- Series: LEMO 4B (B-Series Indoor Keyed)
- Connector Type: Circular Push-Pull Male Plug
- Shell Material: Brass, chrome-plated
- Contact Material: Gold-plated
- Contact Rating: 17 A per contact
- IP Rating: IP50 (dust protected)
- Operating Temperature: -45°C to +125°C
- Mating Cycles: >4,000 cycles
- Fastening Type: Push-Pull with conical nut
- Flammability Rating: UL94 V-0
Typical Applications
- Servo motor drive connections
- Industrial automation and control systems
- Test and measurement equipment
- Factory automation and PLC networks
- High-reliability cable assemblies requiring frequent disconnect/reconnect cycles
Compatibility & Replacements
Compatible With
- LEMO B-Series circular connectors and receptacles
- Industrial servo and drive systems using standard circular connectors
- Cable assemblies with crimp or solder-cup termination
- Panel-mount and free-hanging installation configurations
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. This connector is compatible with mating EGG.4B receptacles and other standard LEMO 4B series components.
Works With
- Crimp and solder termination platforms
- LEMO cable assembly services
- Standard industrial control networks and servo drives requiring push-pull connectors
- Systems requiring keyed connectors for polarized connections
