
6 S&C Instruction Sheet 661-500
Ratings and Standards
Input Power Requirement
Table 1. Input Power Ratings
Input parameter
Rating
Three-phase current source (from S&C voltage sensor)
140 – 195 mA at 20 VA
Auxiliary voltage
120 Vac
Frequency
50 or 60 Hz
Output Power Requirement
Table 2. Output Power Ratings
Output parameter
Rating
Total output power (all three phases)
30 W
Radio output power
12 W (average), 27 W (maximum) during .25 second transmit every
5 seconds .
To relays and motor load
24 Vdc
Voltage to charge the 24-V battery
26 .5 – 33 Vdc
Environmental Requirements
Table 3. Environmental Ratings
Output parameter
Rating
Operating temperature
-40°C to +70°C (-40°F to +158°F)
Storage temperature
-40°C to +85°C (-40°F to +185°F)
Relative humidity
5% to 95% at 60°C (140°F), non-condensing
Regulatory Compliance
The Three-Phase Battery Charger complies to the
following standards:
Emissions Testing
• IEC 60255-26:2013 – Radiated RF emission
Immunity Testing
• IEC 60255 -26:2013 – Radiated RF immunity
80 – 2700 MHz
• IEEE C37.90.2 – Radiated Susceptibility
• IEC 60255-26:2013 – Electrical fast transient/burst
immunity
• IEEE C37.90.1:2002 – Fast transient SWC
• IEC 60255-26:2013 – Conducted RF immunity
• IEEE C37.90.1 – Oscillatory transient SWC
• IEC 60255-26:2013 – Damped Oscillatory Burst
• IEC 60255-26:2013 – Surge immunity
• IEC 61000-4-8 – Magnetic Field
• IEEE C37.90.3 – Electrostatic discharge: air and
direct
• IEC 60255-26 – Electrostatic Discharge: Air/direct
Environmental and Safety Testing
• IEC 60255-27:2013 – Dielectric Strength
• IEC 60255-27:2013 – Insulation Resistance
• Mil-Std 810, 20 cycles -40°C to +70°C (-40°F to
+158°F)– Temperature cycling