The Honeywell 51155506-120 functions as a dedicated relay cable assembly for interfacing C300 I/O modules with field devices. This pre-engineered cable connects digital output channels to external relay banks and interposing hardware. Consequently, it simplifies wiring while maintaining signal integrity in control panel installations.
Technical Specifications and Physical Characteristics
Control system integrators require precise cable specifications for accurate panel layout and reliable field termination. Therefore, we present the complete technical data for the Honeywell 51155506-120:
| Parameter | Specification |
|---|---|
| Manufacturer | Honeywell |
| Product Type | Relay Cable Assembly |
| Series | Experion C300 I/O |
| Part Number | 51155506-120 |
| Cable Length | 1.2 meters standard |
| Connector Type A | 50-pin male D-Sub for I/O module |
| Connector Type B | Flying leads with ferrule terminations |
| Conductor Count | 25 twisted pairs (50 conductors total) |
| Conductor Gauge | 24 AWG stranded tinned copper |
| Insulation Material | PVC, 300 V rating |
| Shielding | Overall foil shield with drain wire |
| Current Rating | 1 A per conductor maximum |
| Voltage Rating | 150 V continuous |
| Bend Radius | 50 mm minimum installation |
| Weight | 0.28 kg |
| Operating Temperature | -20°C to 80°C |
| Storage Temperature | -40°C to 85°C |
| Country of Origin | USA |
| RoHS Compliance | Yes |
Advanced Connectivity Features
The 51155506-120 provides a direct interface between Honeywell C300 digital output modules and field relay panels. Additionally, its color-coded flying leads simplify termination to relay sockets and terminal blocks. This cable assembly uses twisted pairs to minimize crosstalk between adjacent output channels. You can integrate this cable with protection devices like the RMS TSG TZ C static trip unit for comprehensive system wiring. Furthermore, the Honeywell 51155506-120 includes a continuous foil shield to reject electromagnetic interference in industrial environments.
System Integration Benefits
This relay cable eliminates the need for custom field wiring, significantly reducing installation labor costs. Its 1.2-meter length provides sufficient reach from I/O rack to nearby relay panels. The 51155506-120 maintains signal fidelity through its 24 AWG stranded conductors, resisting breakage from vibration. Each conductor carries up to 1 amp, suitable for driving typical interposing relay coils. Typical applications include motor control centers, solenoid valve banks, alarm annunciators, and status indicator panels.
Installation and Handling Guidelines
Route the Honeywell 51155506-120 away from high-voltage power cables to maintain noise immunity. Secure the D-Sub connector to the I/O module using the integral jack screws for reliable connection. Terminate flying leads using proper ferrules for secure retention in relay terminal blocks. Finally, verify continuity and isolation before connecting field power to the relay contacts.
Details
| Weight | 0.2 kg |
|---|---|
| Dimensions | 85 × 65 × 30 mm |
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