POWER
SUPPLIES
of ARRA 2009
AC POWER SUPPLY
PSH300A-LVC
Enclosed 300VA Power Supply with Three 100VA Class 2 Outputs,
480/277/240/120 Vac to 24 Vac
480
277
240
120
COM
ON
1
OFF
ON
2
OFF
ON
3
OFF
24V
COM
24V
COM
24V
COM
User Connections
PSH300A-LVC
Shown Without
High Voltage
Cover &
Low Voltage
Access Plate
Class 2
Made in USA
Meets
“Buy American”
SPECIFICATIONS
Transformer:
Over Current Protection:
Primary:
Frequency:
Dimensions:
Approvals:
Housing:
Weight:
Switch
Indicator
Breaker
One (1) 300 VA
Circuit Breaker
480/277/240/120 Vac
50/60 Hz
12.125˝ x 12.125˝ x 6.000˝
Class 2 (UL Approved UL5085-3),
UL916, C-UL
NEMA1 Metal Enclosure
22.46 lbs.
3 Secondaries:
24 Vac, with LED Indicators
4 Amp breaker for each output
24 Vac ON/OFF:
On / O Switch & Breaker
Input:
480/277/240/120 Vac Finger-Safe Terminals,
8-18 AWG
utput:
O
3 Ungrounded, Isolated, 100 VA, Class 2, 24 Vac
Outputs. Terminals accept 12-26 AWG wire.
Ambient Temperature Derating:
4A up to 40˚ C ; 3A up to 50˚ C ; 2A up to 55˚ C
(When All 3 Outputs Operated Simultaneously)
PSH300A-LVC
Shown Without
Low Voltage
Access Plate
Standby Wattage:
16.61 W @ 120 Vac
17.70 W @ 240 Vac
16.26 W @ 277 Vac
19.20 W @ 480 Vac
Full Load Primary
Current:
• With 120 Vac primary
2.66 A @ 120 Vac
1.36 A @ 240 Vac
1.18 A @ 277 Vac
0.68 A @ 480 Vac
PSH300A-LVC
Shown With
Full Cover &
Access Plate
Secondary Output
Voltage vs. Load:
24.5 V @ 1 Amp
23.5 V @ 2 Amp
22.8 V @ 3 Amp
22.3 V @ 4 Amp
input voltage
• When all 3 outputs
operated simultaneously,
at room temperature
071117
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