Submittal Sheet

Functional Devices, Inc. • p: 800.888.5538 • f: 765.883.7505 • www.functionaldevices.com • [e-mail]
081214
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
Output:
3 Ungrounded, Isolated, 100 VA, Class 2, 24 Vac
Outputs. Terminals accept 12-26 AWG wire.
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:
2.66 A @ 120 Vac
1.36 A @ 240 Vac
1.18 A @ 277 Vac
0.68 A @ 480 Vac
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
• With 120 Vac primary input voltage
• When all 3 outputs operated
simultaneously, at room
temperature
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)
11.330˝ x 11.400˝ x 4.500˝ (PSMN300A)
Class 2 (UL Approved UL5085-3),
UL916, UL508, C-UL, CE, RoHS, Special
^ Seismic Certication of Equipment
and Components: OSP-0201-10
Plenum Rated Polymetal
Sub-Panel (PSMN300A)
NEMA1 Metal Enclosure (PSH300A)
20.00 lbs. (PSH300A)
11.00 lbs. (PSMN300A)
PSH300A
Enclosed 300VA Power Supply with Three 100VA
Class 2 Outputs, 480/277/240/120 Vac to 24 Vac
PSMN300A
Open Style 300VA Power Supply with Three 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 (PSMN300A) 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
1
2
3
ON
OFF
ON
OFF
ON
OFF
Indicator
Breaker
Switch
24V
COM
24V
COM
24V
COM
User Connections
480
277
240
120
COM
AC Power Supply
PSH300A
Shown
With
Cover
PSH300A
Shown
Without
Cover
PSMN300A
Specications
Made in USA
Meets
“Buy American”
of ARRA 2009
Class 2
Ambient Temperature Derating:
4A up to 40˚ C ; 3A up to 50˚ C ; 2A up to 55˚ C
(When All 3 Outputs Operated Simultaneously)
Great for VAV Applications