Oceanic Systems
NMEA2000 AC Monitor
£378.00
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3420
NMEA2000 AC monitor reporting voltage, current, frequency and power for single, two, three and split phase systems.
✓
Collection or delivery in 1-2 weeks
Pickup available at Mercury Yacht Harbour
Usually ready in 2-4 days
Description
The Oceanic Systems 3420 AC Monitor measures AC voltage, current and frequency and reports them, together with power, across the NMEA2000 network with 1% accuracy. It handles single phase, two phase, three phase and split phase systems, so a single unit can cover shore power, generators and inverters on most vessels. Voltage is sensed by a simple phase and neutral connection to the unit.
Current is measured by a clamp-on AC current transformer fitted around the conductor, with no need to break the cable; additional phases use the matching 3423 current transformers. Field wiring uses boat-builder WAGO cage clamp terminals that accept solid or stranded wire from 0.08 to 2.5 mm2 for a fast, secure and vibration-proof connection.
PRODUCT DETAILS
- Reports AC voltage, current, frequency and power
- Single, two, three and split phase support
- Measurements to 1% accuracy
- Clamp-on AC current transformer, no cable break
- Additional phases via 3423 current transformers
- WAGO cage clamp terminals 0.08 to 2.5 mm2
- NMEA2000 certified
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Key specifications
| Reports | AC voltage, current, frequency and power |
| Phase support | Single, two, three and split phase |
| Accuracy | 1% |
Electrical
| Operating voltage | 9 to 28 Volts DC |
| Power consumption | 30 mA |
| Load equivalence number | 1 |
Connection
| Terminals | WAGO cage clamp 0.08 to 2.5 mm2 |
| Current sensing | Clamp-on AC current transformer per phase |
Physical
| Size | 123 x 104 x 47 mm |
| Weight | 350 g |
Environmental
| Degree of protection | IP64 |
| Operating temperature | -25 C to 50 C |
Certification
| Standards | NMEA2000, IEC60945, CE and FCC |
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Which AC systems does it support?
It works with single phase, two phase, three phase and split phase systems and reports voltage, current, frequency and power for each.
How is the AC current measured?
By a clamp-on AC current transformer fitted around the conductor, so the cable does not need to be broken. Extra phases are covered by adding 3423 current transformers.
Where should it be installed?
In a protected marine environment such as an engine room, wired and set up according to the user manual.
