Azimut CB521 Class IV/V CMS switching unit

AZIMUT CB521 Class IV/V CMS Switching Unit – Ultimate Towing Electrical Integration

Elevate your heavy-duty towing experience with the AZIMUT CB521, the premier Class IV/V CMS switching unit designed for seamless and safe integration with modern vehicles. Engineered for superior performance in the demanding world of electrical connections, this advanced control module serves as the intelligent interface between your vehicle´s complex CAN-bus system and your trailer or caravan. It ensures that all trailer lighting functions operate flawlessly and reliably, without compromising the integrity of your vehicle´s sophisticated onboard electronics. The CB521 is the professional´s choice for robust, dependable power management for all Class IV and Class V towing applications.

Unmatched Reliability and Vehicle Protection

The core benefit of the AZIMUT CB521 is the total protection it affords your vehicle. Modern cars and trucks utilize sensitive computer networks to control everything from engine performance to lighting. The CB521 completely isolates your vehicle´s electrical system from the trailer´s wiring, preventing potential shorts, overloads, or faults in the trailer from damaging your car´s Body Control Module (BCM) or other critical electronic components. This intelligent unit constantly monitors all circuits, providing robust short-circuit protection on every individual output. This means a faulty trailer wire will, at most, disable a single trailer light, leaving your vehicle´s systems entirely unharmed and operational. It’s the ultimate peace of mind for any towing journey.

Key Features for Advanced Control

The AZIMUT CB521 is engineered with a suite of features that deliver unparalleled control and convenience. At its heart is a powerful microprocessor that intelligently interprets the vehicle´s CAN-bus signals and translates them into precise actions for the trailer.
* Intelligent Trailer Detection: The unit automatically detects when a trailer is connected, activating all necessary functions without any driver intervention.
* Comprehensive Lighting Management: It flawlessly controls all standard trailer lighting, including tail lights, brake lights, left and right indicators, rear fog lights, and reverse lights.
* Automatic Park Assist Deactivation: To prevent false alarms and driver distraction, the unit intelligently switches off the vehicle’s rear Park Distance Control (PDC) or parking sensors the moment a trailer is hitched.
* Universal Lighting Compatibility: Whether your trailer uses traditional incandescent bulbs or modern, low-draw LED lights, the CB521 is designed to work perfectly with both, ensuring correct operation and preventing "bulb-out" errors on the dashboard.
* Dedicated C2 Signal Output: Provides a standardized C2 output signal to inform the vehicle´s systems that a trailer is actively in tow, enabling other integrated vehicle functions.
* Ultra-Low Standby Power: Engineered for efficiency, the unit consumes a negligible amount of power when inactive, ensuring no unnecessary drain on your vehicle´s battery.

This central control unit expertly switches and manages power distribution, guaranteeing that every signal from the driver—braking, turning, or reversing—is instantly and accurately replicated on the trailer, enhancing safety for you and other road users.
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Technical Specifications:

* Product Type: CMS (CAN-bus Management System) Switching Unit
* Application: Towing Electrics for Class IV / Class V Hitches
* Voltage: 12V DC
* Vehicle System Compatibility: CAN-bus, Multiplex (MUX), and select conventional wiring systems
* Trailer Light Compatibility: LED and Incandescent Bulbs
* Outputs: Protected channels for Left Indicator, Right Indicator, Brake Lights, Tail Lights, Rear Fog Light, Reverse Light
* Special Function: Automatic deactivation of vehicle rear Park Distance Control (PDC)
* Control: Microprocessor-based signal processing and power switching
* Operating Temperature Range: -40°C to +85°C (-40°F to +185°F)
* Standby Current Draw: < 1.5 mA