Johnson Controls PSH300A, PSMN300A Data Sheet
Functional Devices, Inc.
PSH300A
Enclosed 300VA Power Supply with Three 100VA
Class 2 Outputs, 480/277/240/120 Vac to 24 Vac
11.400”
PSMN300A
Open Style 300VA Power Supply with Three 100VA
Class 2 Outputs, 480/277/240/120 Vac to 24 Vac
480
277
240
120
COM
Breaker
ON
OFF
ON
OFF
ON
OFF
Switch
Indicator
24V
1
COM
24V
COM
24V
COM
User Connections
2
3
11.330”
AC Power Supply
PSH300A
Shown
With
Cover
PSH300A
Shown
Without
Cover
PSMN300A
Class 2
Made in USA
Meets
“Buy American”
of ARRA 2009
Specications
Transformer:
Over Current Protection:
Primary:
Frequency:
Dimensions:
Approvals:
Sub-Panel:
Housing:
Weight:
One (1) 300 VA
Circuit Breaker
480/277/240/120 Vac
50/60 Hz
12.125˝ x 12.125˝ x 6.000˝ (PSH300A)
3 Secondaries:
24 Vac, with LED Indicators
24 Vac ON/OFF:
On / O Switch & Breaker
Standby Wattage:
16.61 W @ 120 Vac
17.70 W @ 240 Vac
16.26 W @ 277 Vac
19.20 W @ 480 Vac
11.330˝ x 11.400˝ x 4.500˝ (PSMN300A)
Class 2 (UL Approved UL5085-3),
UL916, UL508, C-UL, CE, RoHS
Plenum Rated Polymetal
Sub-Panel (PSMN300A)
NEMA1 Metal Enclosure (PSH300A)
20.00 lbs. (PSH300A)
11.00 lbs. (PSMN300A)
Input:
480/277/240/120 Vac Finger-Safe Terminals,
8-18 AWG
Output:
3 Isolated, Floating 100 VA Class 2 24 Vac Terminals,
12-26 AWG
Notes:
• To order UL508, add “-IC” to end of model number.
Full Load Primary Current:
2.66 A @ 120 Vac
1.36 A @ 240 Vac
1.18 A @ 277 Vac
0.68 A @ 480 Vac
Ambient Temperature Derating:
4A up to 40˚ C ; 3A up to 50˚ C ; 2A up to 55˚ C
(When All 3 Outputs Operated Simultaneously)
• Open style is mounted to sub-panel SP3303 for
shipping and may be remounted to suit application.
• Great for VAV Applications
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