The GE IC660TBA021 terminal assembly provides a secure connection point between field devices and the I/O module. This robust unit simplifies wiring management and ensures reliable signal transmission. Its compact housing measures 115 mm in height, 115 mm in width, and 55 mm in depth.
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | GE Fanuc |
| Model | IC660TBA021 |
| Category | Terminal Assembly / Wiring Interface |
| Number of Terminals | 20 points |
| Terminal Type | Screw-clamp, cage-style |
| Wire Gauge Range | 0.5 – 2.5 mm² (AWG 20–12) |
| Rated Voltage | 250 V AC/DC |
| Rated Current | 10 A per terminal |
| Insulation Resistance | > 100 MΩ at 500 V DC |
| Dielectric Strength | 1500 V AC for 1 minute |
| Number of Circuit Boards | 1 (single PCB assembly) |
| Component Count | 12 (connectors, capacitors, resistors) |
| Color Coding | Gray housing with numbered terminals |
| Dimensions (H×W×D) | 115 × 115 × 55 mm |
| Weight | 0.38 kg |
| Operating Temperature | –20°C to +70°C |
| Storage Temperature | –40°C to +85°C |
| Protection Rating | IP20 |
| Mounting Type | DIN rail (35 mm) or panel mount |
| Connection Type | 2-piece modular design (base + connector) |
Terminal Configuration and Wiring Capacity
The GE IC660TBA021 offers 20 screw-clamp terminals for secure field wiring connections. Each terminal accepts wire gauges from 0.5 to 2.5 mm², covering most industrial cabling standards. The cage-style clamping mechanism provides gas-tight connections that resist vibration loosening. Terminals carry up to 10 A at 250 V AC or DC, suiting most I/O signal requirements.
Modular Design and Installation Flexibility
This terminal assembly uses a 2-piece modular design for simplified installation and maintenance. The base mounts permanently to the DIN rail or mounting panel. The removable connector section allows wiring replacement without disturbing field cables. Such modularity reduces downtime during module exchanges and troubleshooting procedures.
Electrical Performance and Insulation Properties
The GE IC660TBA021 offers excellent insulation resistance exceeding 100 MΩ at 500 V DC. This high insulation prevents leakage currents and maintains signal integrity in high-humidity environments. The assembly withstands 1500 V AC dielectric testing for one minute without breakdown. These electrical characteristics ensure safe operation and compliance with international standards.
Construction and Material Quality
This terminal assembly contains 12 components, including terminal blocks, PCBs, and suppression components. The PCB uses flame-retardant epoxy material meeting UL 94 V-0 standards. The gray housing resists impact and protects the internal circuitry from dust and debris. Each terminal position carries clear numbering for easy identification and wiring verification.
Interface Compatibility and System Integration
The GE IC660TBA021 pairs directly with GE Series 90-30 and 90-70 I/O modules. This terminal block connects to the module’s high-density connector interface. The assembly supports both discrete and analog signal wiring requirements. Engineers can standardize on this terminal block across multiple I/O types for simplified inventory management.
Mounting and Panel Layout Options
Mount the GE IC660TBA021 on a standard 35 mm DIN rail for rapid installation. Use the integrated mounting holes for panel screw attachment in non-rail applications. The unit locks securely into position with the spring-loaded retaining clip. Ensure adequate clearance around the assembly for wiring access and cable entry.
Maintenance and Field Service Considerations
The screw-clamp terminals allow easy field rewiring using a standard flat-blade screwdriver. Each terminal accepts ferrules or bare copper wires for flexible termination options. The clear label area next to each terminal supports custom wire marking. Regular torque checks maintain proper clamping force on field connections.
Details
| Weight | 0.65 kg |
|---|---|
| Dimensions | 140 × 110 × 75 mm |
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