Mean Well GSM25U24-P1J Power Supply 25W 24V 1.04A

Name: Mean Well GSM25U24-P1J Power Supply 25W 24V 1.04A
Brand: Mean Well
SKU: GSM25U24-P1J
Price: 18.95 USD
Availability: InStock

Overview

GSM25U24-P1J is the 24V output model of this series: rated current 1.04A, typical efficiency 87%.

GSM25U is a highly reliable, 25W wall-mounted style single-output green medical adaptor series. This product is equipped with a 2-pin (no FG) standard USA AC power plug, adopting the input range from 80VAC to 264VAC. The entire series supplies different output voltages between 5VDC and 48VDC that can satisfy the demands for various kinds of miniaturize medical devices. The circuitry design meets the international medical standards (2×MOPP), having an ultra low leakage current (<50 μA), fitting the medical devices in direct electrical contact with the patients. With the efficiency up to 88% and the extreme low no-load power consumption below 0.1W, GSM25U is compliant with USA EISA 2007/DoE and Canada NRCan; the superme feature allows the adaptor to save the energy when it is either under the operating mode or the standby mode. The entire series utilizes the 94V-0 flame retardant plastic case, providing the double insulation that effectively prevents electrical shock. GSM25U is approved with the international medical safety certificates.

Features

2 pole USA plug, Class Ⅱ power unit
Medical safety approved (2×MOPP) according to ANSI/AAMI ES60601-1/-1-11
Extremely low leakage current
No load power consumption<0.1W
Energy efficiency Level Ⅵ ( except 5~9V for Level Ⅴ)
-25~+60℃ wide range working temperature
Protections: Short circuit / Overload / Over voltage
LED indicator for power on
Various DC plug quick adapter accessory available (Plug kit sold sperately, please refer to : https://www.meanwell.com/upload/pdf/DC_plug.pdf)
3 years warranty

Specifications

GSM25U24-P1JSpecifications from the official datasheet (2026-04-03 edition)

OUTPUT

SAFETY MODEL NO.: GSM25U24
DC VOLTAGE^Note.2: 24V
RATED CURRENT: 1.04A
CURRENT RANGE: 0 ~ 1.04A
RATED POWER (max.): 25W
RIPPLE & NOISE (max.)^Note.3: 180mVp-p
VOLTAGE TOLERANCE^Note.4: ±2.0%
LINE REGULATION^Note.5: ±1.0%
LOAD REGULATION: ±2.0%
SETUP, RISE TIME^Note.6: 500ms, 30ms / 230VAC 1000ms, 30ms / 115VAC at full load
HOLD UP TIME (Typ.): 16ms / 230VAC 16ms / 115VAC at full load

INPUT

VOLTAGE RANGE^Note.7: 80 ~ 264VAC 113 ~ 370VDC
FREQUENCY RANGE: 47 ~ 63Hz
EFFICIENCY (Typ.): 87%
AC CURRENT (Typ.): 0.7A / 115VAC 0.35A / 230VAC
INRUSH CURRENT (Typ.): 55A / 230VAC 30A / 115VAC
LEAKAGE CURRENT(max.): Touch current < 50μA/264VAC

PROTECTION

OVERLOAD: 105 ~ 170% rated output power Protection type : Hiccup mode, recovers automatically after fault condition is removed
OVER VOLTAGE: 25.2 ~ 32.4V Protection type : Shut down o/p voltage, re-power on to recover

ENVIRONMENT

WORKING TEMP.: -25 ~ +60℃ (Refer to "Derating Curve")
WORKING HUMIDITY: 20% ~ 90% RH non-condensing
STORAGE TEMP., HUMIDITY: -40 ~ +85℃, 10 ~ 95% RH non-condensing
TEMP. COEFFICIENT: ±0.03% / ℃ (0~40℃)
VIBRATION: 10 ~ 500Hz, 2G 10min./1cycle, period for 60min. each along X, Y, Z axes

SAFETY & EMC (Note. 8)

SAFETY STANDARDS: IEC 60601-1:2005+A1+A2; IEC 60601-1-11:2015+A1, ANSI/AAMI ES60601-1:2005+A2; ANSI/AAMI HA60601-1-11+A1 CAN/CSA C22.2 No. 60601-1:2014+A2; CSA C22.2 NO. 60601-1-11:2015+A1, EAC TP TC 004 approved
ISOLATION LEVEL: Primary-Secondary: 2xMOPP
WITHSTAND VOLTAGE: I/P-O/P:4KVAC
ISOLATION RESISTANCE: I/P-O/P:100M Ohms / 500VDC / 25℃/ 70% RH
EMC EMISSION: Parameter Standard Test Level

Conducted emission FCC PART 15 / CISPR22 Class B
Radiated emission FCC PART 15 / CISPR22 Class B

Parameter	Standard	Test Level
Conducted emission	FCC PART 15 / CISPR22	Class B
Radiated emission	FCC PART 15 / CISPR22	Class B

OTHERS

MTBF: 3887.1K hrs min. Telcordia SR-332 (Bellcore) ; 791.9K hrs min. MIL-HDBK-217F (25℃)
DIMENSION: 79*54*33mm (L*W*H)
PACKING: 215g ; 60pcs / 13.9Kg / CARTON

CONNECTOR

PLUG: See page 4~5 ; Other type available by customer requested
CABLE: See page 4~5 ; Other type available by customer requested

Test conditions and notes8

1. All parameters are specified at 115VAC input, rated load, 25℃ 70% RH ambient.
2. DC voltage: The output voltage set at point measure by plug terminal & 50% load.
3. Ripple & noise are measured at 20MHz by using a 12" twisted pair terminated with a 0.1μF & 47μF capacitor.
4. Tolerance: includes set up tolerance, line regulation, load regulation.
5. Line regulation is measured from low line to high line at rated load.
6. Length of set up time is measured at first cold start. Turning ON/OFF the power supply may lead to increase of the set up time.
7. Derating may be needed under low input voltage. Please check the derating curve for more details.
8. The power supply is considered as an independent unit, but the final equipment still need to re-confirm that the whole system complies with the 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 )

Technical drawings

GSM25U24-P1J Derating Curve — Derating Curve

GSM25U24-P1J Mechanical Specification — Mechanical Specification

GSM25U24-P1J DC output plug — DC output plug

GSM25U24-P1J G S M 2 5 U series — G S M 2 5 U series

Typical applications

Blood glucose meter
Blood pressure meter
Nebulizer
Inhaler
Portable medical device

Downloads

Datasheet1

GSM25U24-P1J datasheetGSM25U-SPEC.PDF · 2026-04-03 edition PDF Download

Certificates5

EMC Certificate (ELG-75)(EN) PDF Download

UL Certificate (GSM25U)(EN) PDF Download

FCC Certificate (GSM25U)(EN) PDF Download

CB Certificate (GSM25U)(EN) PDF Download

NRCAN Certificate (GSM25U)(EN) PDF Download

Test reports1

Test Report(GSM25U24-P1J)(EN) PDF Download

Catalogues3

Mean Well Medical Catalog PDF Download

Mean Well Adaptor Catalog PDF Download

Mean Well Catalog (Industrial) PDF Download

FAQ

Can I use the GSM25U24-P1J for a small 24V PLC accessory or industrial I/O device?

Yes, this supply is a constant-voltage 24V model rated for up to 1.04A and 25W. It is suited to lower-power 24V automation accessories and control modules that stay within those limits.

Is this 24V power supply suitable for sensors, relays, or control components in an automation system?

It can be, provided those components are designed for 24V DC constant-voltage input and their total draw does not exceed 1.04A. The 25W rating makes it a better fit for light-duty 24V loads than for larger field devices.

Can the GSM25U24-P1J power a 24V industrial communication or embedded gateway device?

Yes, if the device is specified for 24V DC input and remains within the available 1.04A and 25W. The wide 80-264VAC input range is also useful for deployment across different mains standards.

How do I size this supply for a 24V load?

Match the load to the supply's constant-voltage 24V output, then confirm the equipment does not require more than 1.04A or 25W. If your 24V device needs more current or power than that, you need a higher-capacity model.

Can I use this 24V adapter in cold or hot industrial spaces?

The specified operating temperature is -25°C to +60°C, so it supports a broad temperature range for protected environments. Because no IP rating is provided, the listed specs do not establish outdoor or wet-location suitability.

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