702KAS / 702MSHC Auto Start Generator Controller Key Start Control Module Color: 702mshc Overview A compact engine control and protection module designed for diesel generator applications. Provides manual key start and automatic start functionality, simultaneous monitoring of multiple engine parameters, and solid state outputs for reliable control. Key benefits why you need this module Reliable engine monitoring and protection that reduces downtime by detecting faults and signaling warnings immediately Flexible start options for both manual key start and remote automatic start installations Simple panel mounting and a clear LED indication system for fast diagnostics and visible status Integrated hours counter for accurate maintenance tracking on 702 variants Core features Manual start and automatic start versions available Remote start input on auto start versions Auxiliary shutdown input on manual start versions Engine preheat control to support cold starts Tamper resistant engine hours recording on 702 variants only Front panel mounting with a compact footprint Warning LED illuminates when faults are detected by manual control Battery charging monitoring capability using the WL terminal on the charge alternator Multiple engine parameters monitored simultaneously for comprehensive protection Electrical and performance specifications DC supply continuous voltage range: 8 V to 35 V Cranking dropout tolerance: survives 0 V for 50 ms provided supply was at least 10 V before dropout and recovers to 5 V without internal batteries Outputs: START: solid state, 1.2 A, negative grounding terminal RUN: solid state, 1.2 A, negative grounding terminal PREHEAT: solid state, 1.2 A, negative grounding terminal Generator input ranges: Voltage: 15 V to 333 V AC (LN) Frequency: 3.5 Hz to 75 Hz Physical dimensions 701 overall: 72 mm x 72 mm x 38 mm 702 overall: 84 mm x 72 mm x 34.9 mm 702 panel cutout: 80 mm x 68 mm Key switch excluded from dimensions Practical applications how it can be used Backup power systems for small commercial buildings where automatic transfer and remote start are required Mobile or standby diesel generator installations that need a compact panelmounted controller with engine protection and hour tracking Industrial equipment powered by diesel gensets where manual key start plus auxiliary shutdown input are needed for maintenance and safety procedures Compatibility and installation notes Designed for diesel engine generator sets and compatible with alternators that allow WL terminal battery charge monitoring Suitable for installations requiring negative grounding control outputs Verify panel cutout dimensions and key switch requirements before installation What stands out Robust transient handling with cranking dropout tolerance without internal batteries Solid state outputs for dependable, low maintenance switching Clear status indication and hours tracking to aid maintenance scheduling This controller delivers essential engine protection, flexible start options, and compact panel mounting for reliable generator control in a variety of diesel genset applications.