Description
Cristec DC-12-36/15PL DC-DC converter charger
Cristec DC-12-36/15PL is a DC POWER+ DC-DC converter charger rated for a 12VDC source, 36VDC output and 15A rated output current. The exact 12-to-36V / 15A configuration is identified in Cristec’s 2026 technical catalogue. It is intended to be selected as part of the complete DC charging system, so the source supply, destination battery bank, cable sizes, protection and battery settings all need to be checked before installation.
12VDC to 36VDC, 15A configuration
The model code and current Cristec catalogue identify this version as 12VDC to 36VDC at 15A. That rating should be matched to the actual source and destination systems rather than treated as a universal replacement for another DC-DC charger. Confirm the nominal source voltage, the destination battery voltage and the expected operating current before wiring. If this is a refit, record the existing charger’s full model number, cable sizes, fusing and connection arrangement before removing it.
Battery bank and charging settings
If the 36V output is charging a battery bank, identify the battery chemistry, capacity and manufacturer’s permitted charging voltages and currents. Battery settings are important because lead-acid and lithium systems can require different charging profiles and protection arrangements. Where a battery-management system is fitted, its operating limits and any charge-disconnect requirements also need to be considered. Other charge sources connected to the same bank, such as shore chargers or solar controllers, should be reviewed as part of the same system.
Source wiring, cable sizing and protection
DC charging circuits can carry high current on the source side, so cable size must be based on current, route length and acceptable voltage drop. Use correctly rated overcurrent protection and isolation in accordance with the current Cristec instructions and the vessel’s electrical design. Check lugs, busbars, fuse holders and isolators for corrosion, looseness or heat damage before reusing them. Positive conductors should be protected from accidental short circuit, and heavy cables should be supported so that their weight does not strain the charger terminals.
Mounting and installation environment
Install the unit in the orientation and environment specified by Cristec. Allow the required ventilation and access to terminals, indicators and configuration controls. Avoid positions exposed to water, excessive heat or mechanical damage. If replacing an older converter, compare dimensions and cable-entry positions before drilling or altering the mounting surface. A clearly labelled installation makes commissioning and future fault finding much easier.
Commissioning checks
Before energising, verify polarity, source voltage, destination-bank voltage, cable protection and terminal security. Confirm the battery configuration before applying normal charging loads. Measure voltage at the source, charger and destination bank under realistic conditions so excessive cable drop can be identified. Check that the unit operates without alarms and that the destination system receives the expected charging voltage. Finally, record the installed model, battery settings, protection and cable arrangement for future maintenance.
Documentation and related guidance
For current manufacturer data, see Cristec marine electrical products. The current Cristec manual and catalogue for DC POWER+ should be treated as the final reference for electrical limits, charging settings, cable sizing, protection and mounting. F&C Marine also provides a Marine Electronics Knowledge Base covering practical marine electrical and electronics installation topics.
Official manuals, datasheets and brochures
Related products
- Cristec DC-12-24/30PL – 12VDC-24VDC-30A
- Cristec DC-12-48/10PL – 12VDC-48VDC-10A
- Cristec DC-12-12/60PL – 12VDC-12VDC-60A
Related technical resources
Before ordering Cristec DC-12-36/15PL
Send F&C Marine the vessel type, source voltage and equipment, destination battery voltage, chemistry and capacity, existing charger model, approximate cable lengths and photographs of the installation. If the unit is being replaced because of a fault, include symptoms and measurements already taken. We can then check that the 12VDC-to-36VDC 15A version is correctly matched and identify likely installation requirements before quotation.
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