MZL-18 Battery Guard System

MSRP: $149.00
Price: $83.75
MFR: First Mobile
MZL-18 12v 30amp Starts timing when voltage starts to drop, requires no ignition connection.
  • MZL-18 is based on low-voltage dropout. Timer begins delay when ignition is turned off and the built-in detector detects voltage dropping
  • Battery guard system
  • Emergency override switch provides a convenient way to restore power to your equipment by holding the button in for 5-8 seconds.
  • Protects communication equipment
  • Low voltage detector (10.5 v)
  • Over voltage protection (17 v)
  • Automatic On/Off
  • Very reliable & accurate
  • Programmable with external DIP switch for selecting and adjusting time delay
  • Built-in diagnostic red LED indicates timing functions active when flashing
  • Engineered electronically for reverse polarity protection
  • Potted compound construction. Solid state, sealed against vibration and moisture.
  • Easy external connection with .250 male tab mating with .250 female disconnect
  • Delay time range: from 15 seconds to 8 hours. Tolerance plus (+) or minus (-) 10%
  • Allow 3-5 seconds for delay on break at ignition switch connection for delay activation
  • For installation, connect 10 Ga. red wire to the battery positive (+) post and the black wire 18 Ga. to the battery negative (–) post.
Technical Specifications
Length 4 in.
Width 2 in.
Height 1.5 in.
Mounting Hole Center 3.5in with #6 screws
Weight 6 oz.
Enclosure Material Impact Resistant ABS thermoplastic

Electrical Specifications
Load Current Rate 30 amps 12 VDC
Operating Voltage 10 VDC min - 18 VDC max
Ignition Switch Trigger 10.4 - 15.0 VDC, 10mA
Voltage Threshold 13 volts
Low Voltage Disconnect 10.5 volts
Over Voltage Disconnect 17 volts
Operating Temperature -40 F to +185 F
Stand-by Current 6 mA
Operating Current 100 mA

Caution: An appropriate size fuse circuit breaker must be used to ensure safety.

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