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Narrow Profile (3-Day Power Supply)
Switching Regulated Power Supplies (to 120 watts)

AC-DC single output
DC-DC (DC input can be used on 230 VAC input models)


Input Voltage: 90-132 VAC, 47-420 Hz, single phase. 180-265 VAC input is also available (see Options).

DC Input: Not applicable on 115 VAC models.
On 230 VAC models, 200-375 Vdc input can be used.
DC input may be connected without regard to polarity.

Inrush current: Cold start, (thermistor limiter) 15A peak @115 VAC; 30A peak @ 230 VAC.

Startup Time: 1 second typical.

Input Undervoltage: An input of less than 90 VAC (180 VAC with "–230" option) will not damage power supply.

Load Regulation: ±0.05% or 5 mV, whichever is greater.
Line Regulation: ±0.05% or 5 mV, whichever is greater.

Output Voltage Remote Adjustment: The output voltage may be controlled by means of an external 1K potentiometer.

Polarity: Output is floating and may be used in either polarity.

Drift: ±0.1% maximum over 8 hours, after 30 minute warmup.

Temperature Coefficient: ±0.02%/°C (Typical).

Holdup Time: 20 mS minimum.

Transient Response: 3 ms to return to ±1% of output setting. Maximum of ±3% output excursion following a load step change from 50% to 100%.

Remote Sensing: Compensates up to 0.5 volt drop per output line, within the limits of the output voltage adjustment range.

Overload/Short Circuit Protection: Current limiting with automatic recovery.

Overvoltage Protection: Automatic reset.

EMI: Designed to meet FCC Part 15 and EN55022, Class A.

Output Indicator (DC on): Green LED.

Efficiency: See Output Specs. (Typical, at nominal input voltage, with full load.)

Ambient Operating Temperature: 0 to +71°C.

Storage Temperature: –40 to +85°C.

Cooling: Case size WN6A: forced air cooled; air enters rear of power supply and exits from top. Case size WN6B: convection cooled.

Switching Frequency: 100 kHz (Typical).

Dielectric Withstand Voltage       Isolation
Input to output:     4242 Vdc      300 Vdc 
Input to case:       2121 Vdc      300 Vdc 
Output to case:       750 Vdc      300 Vdc 

Internal Failure Protection: Provided by internal fuse.

Size and Weight:

Case   | Rough               |  Number of fans    |  Approx. 
Size   | Dimensions (inches) |  on rear panel     |  Weight 
WN6A       1.7 x 3.5 x 7.9             1             1 lb. 6 oz.
WN6B       1.7 x 3.5 x 7               0             1 lb. 4 oz.

See Drawing for exact dimensions.

Mounting: Threaded mounting holes permit mounting to a chassis, cabinet wall or bracket. To mount from the power supply side of the mounting surface or for DIN rail mounting, use accessory Mounting Kits.