
・All specifications are subject to change without notice.
RWS-B
a_RWS-B_8
UNIT
・
PC Board
RWS300B Specifications
(Read instruction manual carefully, before using the power supply unit.)
MODEL
ITEMS/UNITS
RWS300B-5 RWS300B-12 RWS300B-15 RWS300B-24 RWS300B-36 RWS300B-48
Input
Input Voltage Range (*2)(*11) V AC85 - 265 (47 - 63Hz) or DC120 - 370
Power factor (100/200VAC) (typ) (*1)(*11) 0.95/0.90
Efficiency(100VAC) (typ) (*1)(*11) % 75 79 81 85 85 85
Efficiency(200VAC) (typ) (*1)(*11) % 78 82 84 88 88 88
Input Current (100/200VAC) (typ) (*1)(*11) A 3.3/1.8 3.8/2.1
Inrush Current (100/200VAC) (typ)
(*1)(*3)(*11)
A 17/34, (Ta = 25℃, Cold Start)
Leakage Current (*9) mA Less than 0.75
Output
Nominal Output Voltage VDC 5 12 15 24 36 48
Maximum Output Current A 50 25 20 12.5 8.4 6.3
Maximum Output Power W 250 300 300 300 302.4 302.4
Maximum Line Regulation (*5)(*11) mV 20 48 60 96 144 192
Maximum Load Regulation (*6)(*11) mV 40 96 120 192 288 384
Temperature Coefficient Less than 0.02% /℃
Maximum Ripple & Noise(0 ≦Ta ≦70℃) (*4) mV 120 150 150 150 200 200
Maximum Ripple & Noise(-20 ≦Ta<0℃) (*4) mV 160 180 180 180 240 500
Hold-up Time (typ) (*12) ms 20
Output Voltage Range V 4.50 - 5.75 10.8 - 13.8 13.5 - 17.2 21.6 - 27.6 32.4 - 41.4 43.2 - 52.8
Function
Over Current Protection (*7) A 52.50 - 26.25 - 21.00 - 13.13 - 8.82 - 6.62 -
Over Voltage Protection (*8) V 6.0 - 7.0 14.4 - 16.8 18.0 - 21.0 28.8 - 33.6 43.2 - 50.4 55.2 - 64.8
Parallel Operation -
Series Operation Possible
Line DIP Designed to meet SEMI-F47 (200VAC Line only)
Environment
Operating Temperature (*10)(*11) ℃–20 to +70 (–20℃: 50%, –10 to +50℃:100%, +70℃:20%)
Storage Temperature ℃–30 to +75
Operating Humidity %RH 30 - 90 (No Condensing)
Storage Humidity %RH 10 - 90 (No Condensing)
Vibration At no operating,10-55Hz (Sweep for 1min), 19.6m/s2 Constant, X,Y,Z 1hour each.
Shock Less than 196.1m/s2
Cooling Forced air by blower fan
Isolation Withstand Voltage Input - FG : 2kVAC (20mA), Input - Output : 3kVAC (20mA)
Output - FG : 500VAC (100mA)for 1min
Isolation Resistance More than 100M Ω (Output - FG: 500VDC, 25℃ , 70%RH)
Standards
Safety
Approved by UL60950-1, UL508 (24V only), CSA60950-1,
CSA C22.2 No.107.1-01. (24V only) ,
Designed to meet Den-an Appendix 8 at 100VAC only.
PFHC Designed to meet IEC61000-3-2
Conducted Emission, Radiated Emission (*13) Designed to meet EN55011/EN55022-B, FCC-B, VCCI-B
Immunity (*13) Designed to meet IEC61000-6-2 IEC61000-4-2, -3, -4, -5, -6, -8, -11
Mechanical
Weight (typ) g 900
Size (W x H x D) mm 41 x 102 x 170 (Refer to Outline Drawing)
Standard price (tax separate)yen 14,160
(*1) At 100VAC/200VAC, Ta=25°C, nominal output voltage and maximum output power.
(*2) For cases where conformance to various safety specs (UL, CSA, EN) are required, to be described as 100 - 240VAC (50-60Hz).
(*3) Not applicable for the inrush current to Noise Filter for less than 0.2ms.
(*4) Please refer to Fig. A for measurement of Vo, line & load regulation and ripple voltage.
(*5) 85 - 265VAC, constant load.
(*6) No load-Full load, constant input voltage.
(*7) 5V - 12V model: Constant current limit and hiccup with automatic recovery.
24V - 48V model: Constant current limit with automatic recovery.
Avoid to operate at over load or short circuit condition.
(*8) OVP circuit will shut down output, manual reset (Re power on).
(*9) Measured by the each measuring method of UL, CSA, EN, and Den-an(at 60Hz), Ta=25°C.
(*10) Output Derating
- Derating at standard mounting. Refer to LOAD vs. AMBIENT TEMPERATURE.
- Load (%) is percent of maximum output power or maximum output current, do not exceed its derating of maximum load.
(*11) Output derating needed when input voltage less than 110VAC. Refer to LOAD vs. INPUT VOLTAGE
(*12) At 110VAC/200VAC, Ta=25°C, nominal output voltage and maximum output power.
(*13) The power supply is considered a component which will be installed into a final equipment.
The final equipment should be re-evaluated that it meets EMC directives.
C1
+V
–
V
150mm
C2
MeasuringPointfor
VoandLine/LoadRegulation.
Measure by JEITA probe.
Bandwidth of Oscilloscope : 100MHz
Measuring Point for Ripple & Noise.
Load
A
C1 : Film Cap. 0.1µF
C2 : Elect. Cap.100µF
Fig.A: Characteristics measurement circuit
RWS300B
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