User Manual

PM224 is a supervised linear power supply/charger that converts a low volt-
age AC input to a filtered and regulated continuous power-limited output.
Input:
• 24VAC/40VA
Output:
• 24VDCoutput
•750mAcontinuoussupplycurrent
•Filteredandelectronicallyregulatedoutput
•Thermalandshortcircuitprotectionwithautoreset
Battery Backup:
•Built-inchargerforsealedleadacidorgeltypebatteries
•Automaticswitchovertostand-bybatterywhen
 ACFails
•PTCbatteryprotection.
Supervision:
• ACfailsupervision(form“C”contacts).
• Lowbatterysupervision(form“C”contacts).
Additional Features:
• ACinputandDCoutputLEDindicators.
• Includesbatteryleads.
Mechanical:
• BoardDimensions(approximate):
 5.3”Lx2.7”Wx1.5”H
• ProductWeight:0.2lbs(0.09kg)
 ShippingWeight:0.3lbs(0.136kg)
PM224 Supervised Linear Power Supply
Rev.PM224-05082013
Overview
Specifications
Altronix Corp. - 140 58th Street, Brooklyn, NY 11220 • 718-567-8181 • 888-258-7669 • altronix.com
Board Dimensions (approximate)
5.3”(134.7mm)Lx2.7”(68.6mm)Wx1.5”(38.1mm)H
5.3"
134.7mm
2.7"
68.6mm
0.16"
4.1mm
4.9"
124.5mm
2.4"
61mm
Ø0.156"
4mm
0.16"
4.1mm
PM224