AMP MoorMaster 400V 1600A 50Hz ISO 80005
Cavotec Shore Connection. Cavotec has installed more shore power systems worldwide than any other provider (150+ installations on 6 continents). The company has 40+ years of experience in the development, manufacture and installation of shore-power/cold-ironing systems, also known as Alternative Maritime Power (AMP) or Utility Connections in Port. This
Inspector Detail
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Common issues
- Contact wear/pitting on the shore connection plug and receptacle from repeated mating cycles
- Cable reel or cable management system faults preventing full cable deployment/retrieval
- Interlock/safety circuit faults preventing the connection or disconnection sequence from completing
- Insulation degradation on the shore power cable from handling and weather exposure
- Voltage/frequency or phase-sequence mismatch alarms during the automatic synchronisation check
- Corrosion of connector housings and locking mechanisms in the deck environment
- Communication faults between ship and shore management systems preventing automatic changeover
Inspection checklist
- Visual inspection of plug/socket contacts for pitting, discolouration (heat damage), or corrosion
- Check cable insulation condition along its full length for cuts, abrasion, or exposed conductors
- Function-test the connection/disconnection interlock and safety sequence
- Verify earthing/bonding connection is correctly made before energising
- Check the cable handling system (reel, crane, or frame) operates smoothly through full travel
- Confirm voltage, frequency, and phase sequence checks complete correctly before closing the shore breaker
- Inspect protective covers, IP-rated enclosures, and gaskets for weathertightness
- Review the shore power changeover log and any recorded fault/alarm history
Service intervals
| Visual inspection of cable and connector | before each shore connection use |
| Contact resistance/thermal check | annually or per maker recommendation |
| Interlock and safety sequence function test | annually |
| Insulation resistance test on shore cable | annually |
Typical wear limits
| Contact pitting/wear | renew contacts when pitting or erosion is visible, or when contact resistance exceeds the maker's specified limit - no generic figure applies, refer to Cavotec maintenance documentation |
| Cable insulation resistance | compare against the commissioning baseline and the maker's minimum acceptable value; a significant downward trend indicates renewal is needed rather than a single absolute figure |
Ranges are typical for this design class. Always confirm against the manufacturer documentation for your serial number.
Critical spares
- Shore connection plug/socket contact set
- Cable gland and sealing kit
- Interlock/limit switches
- Shore power cable (correct rating, if damaged)
Safety
- High-voltage, high-current shore connection - only trained and authorised personnel to make/break connections
- Confirm de-energised and correctly earthed before connecting or disconnecting
- Interlocks exist to prevent connection under load or with a door/cover open - never bypass them
- Weather exposure and deck movement create a risk of cable damage - manage routing to avoid strain and pinch points
Class survey
High-voltage shore connection systems built to the ISO/IEC/IEEE 80005 (Cold Ironing) series are subject to class rules for high-voltage shore connection, including interlock/safety sequence verification and earthing arrangement; survey typically checks documentation of the safety interlock function test and cable/connector condition.
Components & Design
Component data being added…
Technical Data
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Common failures & inspection points
Visual inspection for green patina (copper), black oxides (silver), greyish-brown discoloration, salt deposits; check surface roughness, scratches, deformation at contacts. Treat light oxidation with contact cleaning spray; for stubborn corrosion, gently scrub with nylon brush, never use steel brushes.
Perform insulation resistance test with Megger (500 V DC, 1 minute). Measured values for lines up to 5 A minimum 2 MΩ, for >200 A minimum 25 kΩ. Measure before and after operation at full load in cold and warm condition. Values below 1000 MΩ are critical; perform trend analysis over time for early detection of wear.
Perform contact resistance test (continuity test); check contact surfaces for abrasion, wear, dents, scratches. Fretting corrosion (dark abrasion powder on contact surface) is a sign of worn or improperly seated contacts. For wear, clean or replace contacts; document plug-in cycles.
Perform continuity test of protective conductor with <0.1 Ohm. Check grounding transitions, grounding cables, grounding rail and ship-to-shore connection. Remove corrosion at grounding connections (green/brown discoloration). Check all grounding points are firmly attached and correctly marked. Monitor transfer touch potential and galvanic corrosion per IEC 80005-1 grounding requirements.
Inspect cable drums for rifling, wear or deformation of grooves (leads to cable sagging/breakage). Check bearings and shafts for wear, stiffness, vibrations; defective bearings cause friction and cable damage. Inspect deflection rollers for wobbling (worn bushings/bearings). Lubricate rollers; replace damaged rollers/bearings. For motorized systems (PowerAMPReel, PowerRun), check motor circuit and brake function.
Inspect entire accessible cable length for visible damage, discoloration, cracks, detached insulation. Check cable supports, fasteners and corrosion. Inspect cable entries into equipment for proper sealing and strain relief. Detect moisture ingress into cables (swelling, water marks). Check cable routing for permissible bend radii, overload and kinks. Do not undercut bend radius; cut back loose or damaged insulation and reconnect.
Type-general inspection and maintenance points for this equipment category — not model-specific.
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