Governor ESD5550/5570 Series Electronic Generator Speed Controller Description
Part Name: Governor
OEM Part Number: ESD5550
Cross Reference: GAC ESD5550, ESD5550E, ESD5570, ESD5570E
Isochronous / Steady State Stability: ± 0.25% or better
Speed Range / Governor: 1K-7.5K Hz continuous
Speed Drift with Temperature: ±1% Maximum
Idle Adjust CW: 60% of set speed
Idle Adjust CCW: Less than 1200 Hz
Droop Range: 1 - 5% regulation
Speed Trim Range: ± 200 Hz
Terminal Sensitivity J: 100 Hz., ± 15 Hz / Volt @ 5.0 K Impedance
Terminal Sensitivity L: 735 Hz., ± 60 Hz / Volt @ 65 K Impedance
Terminal Sensitivity N: 148 Hz., ± 10 Hz / Volt @ 1 Meg Impedance
Terminal Sensitivity P: 10 VDC Supply @ 20 ma Max
ELECTRICAL POWER INPUT
Operating Voltage: 12 VDC or 24 VDC (Transient and Reverse Voltage Protected)--(note 1)
Polarity: Negative Ground (Case Isolated)
Power Consumption: 50 mA Continuous (plus actuator current)
Actuator Current Range at 77°F (25°C) - Inductive Load: Min. 2.5 Amps, Max. 10 Amps Continuous--(note 2)
Speed Sensor Signal: 0.5 to 120 VAC RMS
Speed Switch Relay Contacts: (N.O. and N.C.) 10 Amps
note 1: Protected against reverse voltage by a series diode. A 15 amp fuse must be installed in the positive battery lead.
note 2: Protected against short circuit to actuator (shuts off current to actuator), unit automatically turns back on when short is removed.
Operating Temperature: -40 to 180°F (-40 to 85°C)
Relative Humidity: up to 95%
Vibration: 20g @ 20 to 500Hz
Shock: 20g @ 11 msec
All Surface Finishes: Fungus Proof and Corrosion Resistant
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