MEAN WELL GSM60A12-P1J is a GSM60A single-output medical AC/DC desktop power adapter rated at 12 VDC, 5 A and 60 W. Its Class I construction uses a three-pole IEC320-C14 AC inlet with protective earth. The standard P1J tuning-fork DC plug is center-positive, with a 5.5 mm outer diameter, 2.1 mm inner diameter and 11 mm nominal length. Apply the stated load and derating limits.
Product Datasheet
Download MEAN WELL GSM60A Datasheet (PDF)
The GSM60A section is on PDF pages 11, 12, 13, 14, 15. Refer to the complete mechanical drawings and notes when planning installation.
Model and Configuration
Complete order number
GSM60A12-P1J.
Product category
Single-output medical AC/DC desktop power adapter.
Input class / inlet
Class I; IEC320-C14; protective earth (FG).
Standard output termination
P1J tuning fork; 5.5 mm OD × 2.1 mm ID × 11 mm nominal length; center positive.
Enclosure / indication
Fully enclosed 94V-0 flame-retardant plastic case; power-on LED.
No-load power
<0.15 W.
Energy efficiency
Level VI for this voltage model; CoC Version 5.
The series lists compliance with USA EISA 2007/DoE, Canada NRCan, Australia/New Zealand MEPS and EU ErP. Use the efficiency level specified for this particular voltage model.
Model-Specific DC Output
Nominal DC voltage
12 VDC.
Rated current
5 A.
Current range
0.1–5 A.
Rated output power, maximum
60 W.
Ripple and noise, maximum
100 mVp-p.
Voltage tolerance
±3.0%.
Line regulation
±1.0%.
Load regulation
±3.0%.
Typical efficiency
88%.
Observe the current range and rated power together. The output-voltage set point is measured at the DC plug terminals at 50% load.
Input and Timing
AC input
80–264 VAC; 47–63 Hz.
AC input current, typical
1.4 A at 115 VAC; 1 A at 230 VAC.
Cold-start inrush, typical
30 A at 115 VAC; 60 A at 230 VAC.
Leakage current, maximum
Earth leakage <100 µA and touch current <100 µA at 264 VAC.
Set-up / rise time, full load
1000 / 30 ms at 230 VAC; 1500 / 30 ms at 115 VAC.
Hold-up time, typical at full load
50 ms at 230 VAC; 18 ms at 115 VAC.
Select a regional mains cord suitable for the inlet and load. A detachable AC cord is not established as included by this catalogue. Set-up time is measured at the first cold start; repeated ON/OFF operation may increase it.
Protection
Short circuit / overload
105–160% of rated output power; hiccup operation, automatically recovering after the fault is removed.
Overvoltage
12.6–16.2 V; output shuts down; re-power to recover.
Overtemperature
Output shuts down; re-power to recover.
Cooling and Operating Limits
Working ambient
−30 to +70°C, subject to the horizontal-installation derating curve.
Temperature derating
100% load from −30 to 50°C, decreasing linearly to 50% at 70°C.
Input derating, 60 Hz
80% load at 80 VAC, rising to 100% at 100 VAC; 100% through 264 VAC.
Working humidity
20–90% RH, non-condensing.
Storage
−40 to +85°C; 10–95% RH, non-condensing.
Temperature coefficient
±0.03%/°C over 0 to 40°C.
Operating altitude
Up to 3000 m; above 2000 m, reduce allowable ambient temperature by 3.5°C per 1000 m for this fanless adapter.
Vibration
10–500 Hz, 2 G; 10 minutes per cycle, 60 minutes along each X, Y and Z axis.
Use the temperature and input-voltage limits together. The maximum ambient temperature is not an unconditional full-load rating.
Medical Isolation and Safety
Means of patient protection
Primary to secondary: 2 × MOPP. Primary to earth: 1 × MOPP.
Dielectric withstand
Input/output: 4 kVAC. Input/FG: 2 kVAC. Output/FG: SHORT, as specified for the standard earth-connected output.
Insulation resistance
Input/output and input/FG: 100 MΩ at 500 VDC, 25°C and 70% RH.
Catalogue safety standards
IEC60601-1:2005+A1+A2; TUV BS EN/EN60601-1:2006+A1+A12+A2; ANSI/AAMI ES60601-1:2005+A2; CAN/CSA C22.2 No.60601-1:2014+A2; EAC TP TC 004.
12 V front-page listing
The catalogue additionally identifies J62368-1 only for the 12 V configuration.
The medical ratings apply to the adapter. Final equipment must be assessed for its actual patient connections, applied-part classification, isolation and EMC requirements.
EMC
Conducted / radiated emissions
Class B: BS EN/EN55011 (CISPR11), FCC Part 15 / CISPR22. J55032(H29) is additionally listed only for the 12 V model.
Harmonics / flicker
BS EN/EN61000-3-2 Class A; BS EN/EN61000-3-3.
Immunity standards
BS EN/EN60601-1-2; BS EN/EN61204-3.
ESD
EN61000-4-2: Level 4, 15 kV air and 8 kV contact.
RF susceptibility
EN61000-4-3: Level 3, 10 V/m at 80 MHz–2.7 GHz; Table 9, 9–28 V/m at 385 MHz–5.78 GHz.
EFT / surge
EN61000-4-4: Level 3, 2 kV. EN61000-4-5: Level 3, 1 kV line-to-line; 2 kV line-to-FG.
Conducted / magnetic immunity
EN61000-4-6: Level 3, 10 V; EN61000-4-8: Level 4, 30 A/m.
Voltage dips / interruptions
EN61000-4-11: 100% dip for 1 period, 30% dip for 25 periods, and 100% interruption for 250 periods.
The adapter is an independent unit; compliance of the complete equipment with the applicable EMC requirements must be confirmed in its final installation.
Dimensions, Cable and Standard Plug
Enclosure, L × W × H
125 × 50 × 31.5 mm; mechanical drawing tolerance ±1 mm.
Attached DC cable
UL2464 16 AWG, 1000 ±50 mm.
Plug projection
11 ±0.5 mm; the drawing also marks a 70 ±10 mm cable-end section.
P1J polarity
Inside contact positive (+); outside contact negative (−).
Output-to-earth connection
−V is connected to AC FG in the standard configuration; a version without this connection is optional and must be specified when ordering.
Use the dimensional drawing for placement and the supplied connector identification for mating. The plug dimensions and polarity must match the equipment input.
Optional DC Plug Types
P1I
straight tuning fork; OD × ID × L: 5.5 × 2.1 × 9.5 mm. Quick adapter available, 7.5 A maximum.
P1L
straight tuning fork; OD × ID × L: 5.5 × 2.5 × 9.5 mm. Quick adapter available, 7.5 A maximum.
P1M
straight tuning fork; OD × ID × L: 5.5 × 2.5 × 11 mm. Quick adapter available, 7.5 A maximum.
P1IR
right-angled tuning fork; OD × ID × L: 5.5 × 2.1 × 9.5 mm. Quick adapter available, 7.5 A maximum.
P1JR
right-angled tuning fork; OD × ID × L: 5.5 × 2.1 × 11 mm. Quick adapter available, 7.5 A maximum.
P1LR
right-angled tuning fork; OD × ID × L: 5.5 × 2.5 × 9.5 mm. Quick adapter available, 7.5 A maximum.
P1MR
right-angled tuning fork; OD × ID × L: 5.5 × 2.5 × 11 mm. Quick adapter available, 7.5 A maximum.
P2I
straight barrel; OD × ID × L: 5.5 × 2.1 × 9.5 mm. Custom cable option; no quick adapter listed.
P2J
straight barrel; OD × ID × L: 5.5 × 2.1 × 11 mm. Custom cable option; no quick adapter listed.
P2L
straight barrel; OD × ID × L: 5.5 × 2.5 × 9.5 mm. Custom cable option; no quick adapter listed.
P2M
straight barrel; OD × ID × L: 5.5 × 2.5 × 11 mm. Custom cable option; no quick adapter listed.
P2IR
right-angled barrel; OD × ID × L: 5.5 × 2.1 × 9.5 mm. Custom cable option; no quick adapter listed.
P2JR
right-angled barrel; OD × ID × L: 5.5 × 2.1 × 11 mm. Custom cable option; no quick adapter listed.
P2LR
right-angled barrel; OD × ID × L: 5.5 × 2.5 × 9.5 mm. Custom cable option; no quick adapter listed.
P2MR
right-angled barrel; OD × ID × L: 5.5 × 2.5 × 11 mm. Custom cable option; no quick adapter listed.
P2S
locking; OD × ID × L: 5.53 × 2.03 × 12.06 mm. SWITCHCRAFT S761K original or equivalent. Custom cable option; no quick adapter listed.
P2K
locking; OD × ID × L: 5.53 × 2.54 × 12.06 mm. SWITCHCRAFT 761K original or equivalent. Custom cable option; no quick adapter listed.
P2C
locking; OD × ID × L: 5.53 × 2.03 × 9.52 mm. SWITCHCRAFT S760K original or equivalent. Custom cable option; no quick adapter listed.
P2D
locking; OD × ID × L: 5.53 × 2.54 × 9.52 mm. SWITCHCRAFT 760K original or equivalent. Custom cable option; no quick adapter listed.
P3A
minimum-pin; OD × ID × L: 2.35 × 0.7 × 11 mm. EIAJ equivalent. Quick adapter available, 5 A maximum.
P3B
minimum-pin; OD × ID × L: 4.0 × 1.7 × 11 mm. EIAJ equivalent. Quick adapter available, 5 A maximum.
P3C
minimum-pin; OD × ID × L: 4.75 × 1.7 × 11 mm. EIAJ equivalent. Quick adapter available, 5 A maximum.
P4A
center-pin; OD × ID × L: 5.5 × 3.4 × 11 mm. Center pin 1.0 mm; EIAJ equivalent. Quick adapter available, 7.5 A maximum.
P4B
center-pin; OD × ID × L: 6.5 × 4.4 × 11 mm. Center pin 1.4 mm; EIAJ equivalent. Quick adapter available, 7.5 A maximum.
P4C
center-pin; OD × ID × L: 7.4 × 5.1 × 11 mm. Center pin 0.6 mm; EIAJ equivalent. Quick adapter available, 7.5 A maximum.
The supplied standard model uses P1J. A custom cable with a different plug is subject to the applicable minimum order quantity. Listed quick adapters are sold separately without a minimum order quantity.
Select the exact dimensions, polarity and current rating for the load. The accessory current rating does not increase the adapter rating; a 5 A quick adapter cannot carry a load above 5 A.
Optional Multi-Pin and Lead Terminations
R6B
Locking three-pin male mini-DIN; KYCON KPPX-3P equivalent; pin 1 +Vo, pin 2 −Vo, pin 3 +Vo. Quick adapter available, 7.5 A maximum.
R7B
Locking four-pin male mini-DIN; KYCON KPPX-4P equivalent; pin 1 +Vo, pin 2 −Vo, pin 3 −Vo, pin 4 +Vo. Quick adapter available, 7.5 A maximum.
R7BF
Locking four-pin female mini-DIN; KYCON KPJX-CM-4S equivalent; pin 1 +Vo, pin 2 −Vo, pin 3 −Vo, pin 4 +Vo. No quick adapter listed.
R1B
Five-pin male DIN; pin 1 −Vo, pin 2 −Vo, pin 3 +Vo, pin 4 −Vo, pin 5 +Vo. Quick adapter available, 7.5 A maximum.
Stripped and tinned option
By customer request: conductor 1 = +Vo; conductor 2 = −Vo. Standard L = 25 mm and L1 = 5 mm; other lengths by request.
Lead colors
The red/black illustration is for reference only; follow the actual supplied product.
Use the numbered connector-face drawing to establish orientation. These are optional connection types, not additional connectors included with the P1J adapter.
Weight, Reliability and Measurement Notes
Catalogue unit weight
250 g, converted from the per-unit PACKING entry; not a measured shipment weight.
Carton packing
40 pieces / 12 kg / 1.04 CUFT.
Lifetime reference
Catalogue feature: >105,000 hours; this is distinct from MTBF.
MTBF, minimum estimate
3597.9 thousand hours, Telcordia SR-332 (Bellcore); 721.1 thousand hours, MIL-HDBK-217F at 25°C.
Manufacturer warranty
3 years, subject to applicable terms.
Catalogue revision
2026-05-09; physical PDF pages 11–15.
Unless specified otherwise, ratings are measured at 230 VAC, rated load, 25°C and 70% RH. Ripple/noise uses 20 MHz bandwidth and a 12-inch twisted pair terminated with parallel 0.1 µF and 47 µF capacitors.
Voltage tolerance includes set-up tolerance, line regulation and load regulation. Line regulation is measured from low to high input at rated load.
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