The Auto Current A is a current-sensing and auxiliary-input control device designed to provide remote indication when monitored electrical loads or connected switches are activated. This device is specifically tailored for use in fire apparatus, ambulances, rescue vehicles, command vehicles, and other specialty vehicles where reliable electrical monitoring is essential. The Auto Current A simplifies warning circuits by allowing a single indicator to monitor multiple electrical loads and auxiliary switches, reducing the complexity of wiring and improving overall system reliability.
The Auto Current A senses current flow from 1 to 30 amps through electrical loads connected in series with the sensing terminals. This feature enables it to detect when a monitored load is operating, providing a clear indication of its status. An additional ground-activated auxiliary input can be connected to multiple switches wired in parallel, allowing any connected switch to activate the output independently of the current-sensing circuit. When activated, the output relay cycles ON and OFF to create a flashing warning signal, which is particularly useful for applications such restricted vehicle movement or open compartment detection.
The standard unit supplies +12 volts to the connected indicator, making it suitable for most common warning systems. However, optional -G configurations are available for applications where the indicator needs to be operated by grounding. This flexibility allows the Auto Current A to be used in a wide range of emergency vehicle scenarios. The device is built with a heavy-duty 5-amp switch rating and is backed by a 3-year manufacturer's warranty, ensuring durability and long-term performance in demanding environments.
Features
• Combines automatic current sensing and auxiliary input activation in one compact device
• Senses current flow from 1 to 30 amps
• Provides remote indication when a monitored electrical load is operating
• Auxiliary input activates the output when connected to ground
• Auxiliary input can be connected to multiple switches wired in parallel
• Allows a single indicator to be activated by multiple electrical loads and auxiliary switches
• Output relay cycles ON and OFF to create a flashing warning signal
• Ideal for DO NOT MOVE VEHICLE indicators and open compartment door detection
• Sensing terminals install in series with power supplied to monitored electrical loads
• Helps simplify vehicle wiring and reduce the need for multiple warning indicators
• Standard configuration supplies +12 volts to the connected indicator
• Available in -G configurations for ground-operated indicator applications
• Heavy-duty 5-amp switch rating
• Ideal for fire apparatus, ambulances, rescue vehicles, command vehicles, and specialty vehicle electrical systems
• Backed by a 3-year manufacturer's warranty
Specifications
• Manufacturer: Kussmaul Electronics
• Product Type: Current-Sensing and Auxiliary-Input Warning Control
• Model: Auto Current A
• Current Sensor: Yes
• Auxiliary Input: Ground to Operate
• Output Operation: Cycling ON/OFF Signal to Remote Indicator
• Standard Indicator Output: +12 Volts
• Minimum Operating Current: 1 Amp
• Maximum Operating Current: 30 Amps
• Resistance: 0.01 Ohms
• Switch Rating: 5 Amps
• Current Sensing Installation: Series Connection with Power Supplied to Monitored Loads
• Multiple Switch Capability: Yes, Auxiliary Switches May Be Wired in Parallel
• Optional Configuration: -G Model for Ground-Operated Indicator Applications
• Weight: 0.25 lbs.
• Warranty: 3-Year Manufacturer's Warranty
Availability and lead time are subject to confirmation.
Specifications
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