Eaton Power Supplies Catalog Supplement - Eaton Count Control Products - #19

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Distribution & Control Transformers and Power Supplies Power Supply
November 2008
Sensor Power Supply
Technical Data and Specifications
Table 44-88. Sensor Power Supply Specifications
Description
PS256A-01B1
PS256A-04B1
Input Power
144W, Maximum inrush 30A from cold start
Input Voltage
105 - 132V AC
Input Current (Full Load)
105V AC - 1.92A, 115V AC - 1.65A, 132V AC - 1.5A
Output Power
100W
Output Voltage
27V DC
Output Protection
Short circuit, overload and overvoltage protection (cycle power to reset), diode protected
Regulation
±3%
Slug Input
15 - 132 V AC/DC
Slug Output
Sinking or Sourcing, switch selectable; 80 mA maximum; short Sinking only; 100W output; short circuit, overload and circuit protection for loads less than 32V AC or DC (auto reset) overvoltage protection (cycle power to reset) ®
Indicators
Red LED: AC In; Green LED: DC Out
DC Fail Indication Output
N.O. contact, solid-state relay, 80 mA maximum
Temperature Range
-13° to 131°F (-25° to 55°C)
Vibration
20g
Enclosure Material
Die-cast aluminum
Enclosure Rating
NEMA 1
Connections
Main Output/Slug Output: Two three-position finger protected barrier strips;
AC Line Input, DC Fail Indication and Slug Input: 8-position screw terminal strip inside conduit entry box
® Total output power of supply is 100W. Total supply output power (100W) = main output power + slug output power.
Dimensions
Wiring Diagram
„_ 4.6 __
(117)
A
t
3.0
(76)
1
44
4.6
(117)
Slug
V+ Output Com
Slug
V+ Output Com
ÖOO
ÖOO
Junction Box-
Sinking Slug Sourcing Slug
9.0
(229)
PS256A-01B1 only
8.2 (208)
9.7
(246)
i AC Input Power
! Chassis internally /T\ ! connected to AC GND
\ L1 L2 GND
i Power Monitor:
! r"-i !
i L1 L2 i
15-132 VAC/ 15-132 VDC Slug In
L1 L2
Not
Used
00000000
Hole for 1/4 Inch Hardware
Figure 44-69. Dimensions in Inches (mm)
Figure 44-70. Wiring Diagram
For more information visit: www.eaton.com
CA08102001E

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