Honeywell 10310/2/1 Earth Leakage Detector Module
The Honeywell 10310/2/1, also cataloged as the 10310/2/1 Earth Leakage Detector (ELD) Module, operates as a dedicated hardware component for DC earth leakage and ground fault detection within Honeywell FSC system networks.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 10310/2/1 |
| Brand | Honeywell |
| Origin | Manufacturer Standard Facility |
| Weight | 0.35 lbs (0.16 kg) |
| Dimensions | Standard 3U Eurocard profile |
| Operating Temp | Standard industrial cabinet ratings (0 deg C to 60 deg C typical) |
| Power Consumption | Maximum supply current 60 mA (at 24 VDC nominal supply) |
| Primary Function | DC earth leakage and ground fault detection |
| Monitored DC Systems | 24 VDC, 48 VDC, 60 VDC, and 110 VDC |
| Earth Fault Threshold | 5.5 mA ± 1 mA |
| Maximum Earth Current | 25 mA ± 5 mA |
| Relay Output Ratings | Maximum 250 VDC / 250 VAC, 100 W / 1000 VA |
| Software Compatibility / Approvals | CE, UL |
Precision Loop Isolation and Ground Fault Monitoring
The module executes continuous insulation resistance monitoring across DC power distribution circuits while maintaining channel-to-channel isolation integrity to prevent common-mode ground loops. It features selectable operating modes (continuous DC, 1 Hz, or 0.25 Hz) alongside a manual self-test function and earth connection supervision. When earth leakage exceeds the 5.5 mA ± 1 mA threshold, the fault condition is securely latched via relay outputs capable of switching up to 250 VDC / 250 VAC without compromising system safety distribution lines.
Frequently Asked Questions
Q: What is the maximum current consumption profile for the 10310/2/1 module?
A: The module draws a maximum supply current of 60 mA under operational DC supply conditions.
Q: How does the unit handle detected ground faults in monitored DC systems?
A: When an earth fault exceeds the 5.5 mA threshold, the unit triggers a relay-based fault indication that latches until manually reset.
Q: What are the maximum switching parameters for the internal relay outputs?
A: The relay output supports up to 250 VDC / 250 VAC and 100 W / 1000 VA with a maximum contact current capacity of 2 A.
Field Installation Guidelines
- Ensure that all system power rails are de-energized before mounting or dismounting the module to prevent electrical arcing on backplane connector contacts.
- Verify proper physical alignment and keying match using module coding pins A5 and A11 prior to insertion into the Honeywell FSC rack.
- Terminate earth leakage monitoring lines using proper shielded cabling, ensuring shields are grounded at a single reference point to prevent noise coupling.
- Check that monitored DC system voltages (24 VDC, 48 VDC, 60 VDC, or 110 VDC) align with designated terminal block configurations before powering up the system.
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| Warranty | 12 Months |
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