Submittal Sheet
Functional Devices, Inc. • p: 800.888.5538 • f: 765.883.7505 • www.functionaldevices.com • sales@functionaldevices.com
080814
PSH500A
Shown
With
Cover
PSH500A
Shown
Without
Cover
5 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
Output:
5 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 5 Outputs Operated Simultaneously)
Standby Wattage:
48.515 W @ 120 Vac
48.699 W @ 240 Vac
49.564 W @ 277 Vac
48.255 W @ 480 Vac
Full Load Primary Current:
4.66 A @ 120 Vac
2.41 A @ 240 Vac
2.06 A @ 277 Vac
1.17 A @ 480 Vac
Secondary Output Voltage vs. Load:
24.0 V @ 1 Amp
23.0 V @ 2 Amp
21.8 V @ 3 Amp
21.1 V @ 4 Amp
• With 240 Vac primary input voltage
• When all 5 outputs operated
simultaneously, at room
temperature
Transformer:
Over Current Protection:
Primary:
Frequency:
Dimensions:
Approvals:
Sub-Panel:
Housing:
Weight:
One (1) 500 VA
Circuit Breaker
480/277/240/120 Vac
50/60 Hz
12.125˝ x 12.125˝ x 6.000˝ (PSH500A)
11.330˝ x 11.400˝ x 5.000˝ (PSMN500A)
Class 2 (UL Approved UL5085-3),
UL916, UL508, C-UL, CE, RoHS, Special
^ Seismic Certication of Equipment and
Components: OSP-0201-10
Plenum Rated Polymetal
Sub-Panel (PSMN500A)
NEMA1 Metal Enclosure (PSH500A)
30.16 lbs. (PSH500A)
20.60 lbs. (PSMN500A)
PSH500A
Enclosed 500VA Power Supply with Five 100VA
Class 2 Outputs, 480/277/240/120 Vac to 24 Vac
PSMN500A
Open Style 500VA Power Supply with Five 100VA
Class 2 Outputs, 480/277/240/120 Vac to 24 Vac
Notes:
• To order UL508, add “-IC” to end of model number.
• Open style (PSMN500A) is mounted to sub-panel
SP3303 for shipping. Sub-panel may be removed to
suit application.
• Primary voltage terminal cover available. See model
APS53-TC on page 141.
• Design is in accordance with ASCE 7-05 Chapter 13: ^
www.oshpd.ca.gov/FDD/Pre-Approval/OSP-0201-10.pdf
Great for VAV Applications
PSMN500A
24V
COM
24V
COM
24V
COM
24V
COM
24V
COM
1
2
3
4
5
Indicator
Breaker
User Connections
Switch
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
480
277
240
120
COM
AC Power Supply
Specications
Made in USA
Meets
“Buy American”
of ARRA 2009
Class 2