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Mean Well EPS-45-36 Power Supply 45W 36V 1.25A
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Mean Well EPS-45-36 Power Supply 45W 36V 1.25A
Overview
EPS-45-36 is the 36V output model of this series: rated current 1.25A, rated power 45W, typical efficiency 89%. Type Blank: Blank=PCB only.
Features
- Universal AC input / Full range
- Optional L-Bracket and cover
- High efficiency up to 90%
- Protections: Short circuit / Overload / Over voltage
- Cooling by free air convection
- 4"×2" compact size
- LED indicator for power on
- No load power consumption<0.3W
- Operating altitude up to 4000 meters
- 3 years warranty
Specifications
OUTPUT
- DC VOLTAGE
- 36V
- RATED CURRENT
- 1.25A
- CURRENT RANGE
- 0 ~ 1.4A
- RATED POWER
- 45W
- PEAK LOAD(10sec.)Note.6
- 50.4W
- RIPPLE & NOISE (max.)Note.2
- 280mVp-p
- VOLTAGE ADJ. RANGE
- 32.4 ~ 39.6V
- VOLTAGE TOLERANCENote.3
- ±1.0%
- LINE REGULATION
- ±0.5%
- LOAD REGULATION
- ±1.0%
- SETUP, RISE TIME
- 1000ms, 50ms/230VAC 2000ms, 50ms/115VAC at full load
- HOLD UP TIME (Typ.)
- 50ms/230VAC 16ms/115VAC at full load
INPUT
- VOLTAGE RANGENote.5
- 90 ~ 264VAC 127 ~ 370VDC [DC input operation possible by connecting AC/N(+), AC/L(-)]
- FREQUENCY RANGE
- 47 ~ 63Hz
- EFFICIENCY (Typ.)
- 89%
- AC CURRENT (Typ.)
- 1.8A/115VAC 1 A/230VAC
- INRUSH CURRENT (Typ.)
- COLD START 60A/230VAC
- LEAKAGE CURRENT
- <2mA/240VAC
PROTECTION
- OVER LOAD
- 115 ~ 160% rated output power Protection type : Hiccup mode, recovers automatically after fault condition is removed
- OVER VOLTAGE
- 39.7 ~ 46.8V Protection type : Shut down o/p voltage, re-power on to recover
ENVIRONMENT
- WORKING TEMP.
- -30 ~ +70℃ (Refer to output load derating curve)
- WORKING HUMIDITY
- 20 ~ 90% RH non-condensing
- STORAGE TEMP., HUMIDITY
- -40 ~ +85℃, 10 ~ 95% RH
- TEMP. COEFFICIENT
- ±0.03%/℃ (0 ~ 50℃)
- OPERATING ALTITUDENote.7
- 4000 meters
- VIBRATION
- 10 ~ 500Hz, 2G 10min./1cycle, period for 60min. each along X, Y, Z axes
SAFETY & EMC (Note 4)
- SAFETY STANDARDS
- UL62368-1, TUV BS EN/EN62368-1, CCC GB4943.1, EAC TP TC 004 approved
- WITHSTAND VOLTAGE
- I/P-O/P:3KVAC I/P-FG:2KVAC O/P-FG:0.5KVAC
- ISOLATION RESISTANCE
- I/P-O/P, I/P-FG, O/P-FG:100M Ohms / 500VDC / 25℃/ 70% RH
- EMC EMISSION
- Compliance to BS EN/EN55032 (CISPR32) Class B, BS EN/EN61000-3-2,-3, GB9254.1 Class B,GB17625 Class A,EAC TP TC 020
- EMC IMMUNITY
- Compliance to BS EN/EN61000-4-2,3,4,5,6,8,11, BS EN/EN55035, heavy industry level, EAC TP TC 020
OTHERS
- MTBF
- 2981.8K hrs min. Telcordia SR-332 (Bellcore) ; 652.4K hrs min. MIL-HDBK-217F (25℃)
- DIMENSION
- PCB:101.6*50.8*29mm (L*W*H) ; with optional CASE:103.4*62*37mm (L*W*H)
- PACKING
- PCB: 0.14Kg; 96pcs/ 14.5Kg/1.39CUFT ; with optional CASE: 0.3Kg; 45pcs/ 14.5Kg/0.63CUFT
MODEL ENCODING
- Blank (this model)
- Blank=PCB only
- C
- Enclosed type
Test conditions and notes7
- 1. All parameters NOT specially mentioned are measured at 230VAC input, rated load and 25℃ of ambient temperature.
- 2. Ripple & noise are measured at 20MHz of bandwidth by using a 12" twisted pair-wire terminated with a 0.1μF & 47μF parallel capacitor.
- 3. Tolerance : includes set up tolerance, line regulation and load regulation.
- 4. Derating may be needed under low input voltage. Please check the static characteristics for more details.
- 5. 33% Duty cycle maximum within every 30 seconds. Average output power should not exceed the rated power.
- 6. The power supply is considered a component which will be installed into a final equipment. All the EMC tests are been executed by mounting the unit on a 360mm*360mm metal plate with 1mm of thickness. The final equipment must be re-confirmed that it still meets EMC directives. For guidance on how to perform these EMC tests, please refer to “EMI testing of component power supplies.” (as available on https://www.meanwell.com//Upload/PDF/EMI_statement_en.pdf )
- 7. The ambient temperature derating of 3.5℃/1000m with fanless models and of 5℃/1000m with fan models for operating altitude higher than 2000m(6500ft).
Technical drawings
Downloads
Datasheet1
Certificates4
Test reports1
Catalogues1
FAQ
Can I use the EPS-45-36 for a 36V industrial control or automation load?
Yes, this model provides constant voltage 36V output up to 1.25A, with a total power rating of 45W. It is intended for 36VDC equipment powered from a 90-264VAC input source.
Is the EPS-45-36 suitable for 36V actuators, relays, or compact industrial devices?
It can be suitable when those 36V devices together stay within the unit's 1.25A and 45W output limits. The main requirement is that the load must be designed for constant voltage 36V operation.
Can this power supply run a 36V embedded or instrumentation subsystem?
It is a fit for smaller 36V instrumentation or embedded subsystems when their total draw remains within 45W and 1.25A. Buyers should confirm both the voltage match at 36V and the total current requirement before selecting it.
Is the EPS-45-36 intended for indoor enclosures rather than exposed outdoor locations?
The operating temperature range is -30°C to +70°C, with output load derating at higher temperatures per the derating curve, which supports many indoor industrial and electronics environments. No IP rating is listed in the provided specs, so it should not be treated as a weatherproof or washdown-ready supply.
How does the EPS-45-36 compare with other 36V models in the EPS series?
Among the 36V models on this spec sheet, EPS-45-36 and EPS-45-36-C share the same 45W, 1.25A rating. EPS-45-36 is the PCB version at 101.6 × 50.8 × 29 mm and 0.14 kg, while EPS-45-36-C is the cased version at 103.4 × 62 × 37 mm and 0.3 kg.
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Reviewed by 1 customer across the EPS series
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Replacement PS
Model: EPS-15-15 ×1, EPS-15-5 ×1, EPS-15-7.5 ×1Quantity: 1Power Supplies were used to replace the one that was removed on a Phillips PM6680 counter, a +5V, +15V and -7V. They seem to work well so far. I have to put in a boost converter on the +15V for space and not use the +15V EPS.
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