MEAN WELL GSM36B07-P1J is a Class II medical desktop power adapter with IEC320-C8 two-pole inlet, supplying 7.5 VDC at 4.32 A with a 32.4 W rated maximum output. Its center-positive P1J plug, 2 × MOPP isolation and BF-rated design support the stated medical applications. Apply the input and ambient-temperature derating.
Product Datasheet
Download MEAN WELL GSM36B Datasheet (PDF)
The GSM36B section is on PDF pages 49, 50, 51, 52, 53. Refer to the complete mechanical drawings and notes when planning installation.
Model and Rated Output
Complete model
GSM36B07-P1J.
Product type
Single-output Class II medical desktop AC/DC power adapter.
Nominal output
7.5 VDC.
Rated output current
4.32 A.
Current range
0–4.32 A.
Rated output power, maximum
32.4 W; apply the current, voltage and derating limits together.
Ripple and noise, maximum
80 mVp-p.
Voltage tolerance
±5%.
Line regulation
±1%.
Load regulation
±5%.
Efficiency, typical
83%.
Model code
GSM36B identifies the series and AC connection; 07 identifies 7.5 V; P1J is the standard center-positive tuning-fork DC plug.
Select the complete model and match the equipment voltage, current and polarity. The nominal series wattage is not the output rating of every model.
Input, Timing and Efficiency
AC input
80–264 VAC, 47–63 Hz.
DC input
113–370 VDC.
AC connection
IEC320-C8 two-pole inlet.
AC current, typical
0.9 A at 115 VAC; 0.45 A at 230 VAC.
Cold-start inrush, typical
30 A at 115 VAC; 55 A at 230 VAC.
Set-up / rise time, full load
500 / 30 ms at 230 VAC; 1000 / 30 ms at 115 VAC.
Hold-up time, full load
Typical 16 ms at 230 VAC and 10 ms at 115 VAC.
No-load consumption
<0.1 W.
Energy framework
Energy-efficiency Level V. EISA 2007/DoE, NRCan, Australia/New Zealand MEPS, EU ErP and CoC Version 5 are listed for the series, with the 5–9 V Level V exception.
Use a suitable approved mains lead for the C8 inlet; confirm whether the order includes it, because the catalogue does not specify an included AC cord.
Medical Isolation and Protection
Medical design
2 × MOPP primary-to-secondary isolation; BF-rated design and the listed home-healthcare standards.
Touch current
<50 µA at 264 VAC.
Electrical class
Class II; no protective-earth connection.
Input/output withstand
4 kVAC.
Insulation resistance
100 MΩ at 500 VDC, 25°C and 70% RH, input-to-output.
Overload
105–170% of rated output power; hiccup mode with automatic recovery after the fault is removed.
Overvoltage
7.88–10.5 V; output shutdown, re-power on to recover.
Short circuit
Short-circuit protection is listed.
The adapter supports the stated medical application class; safety and EMC of the complete medical equipment still require assessment with its actual load, wiring and installation.
Environment and Derating
Operating temperature
−25 to +60°C; apply derating.
Temperature/load curve
Horizontal mounting: 100% load from −25°C to 40°C, then reduce to 80% at 60°C.
Low-input load curve
80% at 80 VAC, reaching 100% at 100 VAC and remaining at 100% to 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 0–40°C.
Vibration
10–500 Hz, 2 G; 10 minutes per cycle, 60 minutes along each of X, Y and Z.
Follow both input-voltage and ambient-temperature limits. The upper operating temperature is a derated endpoint, not a full-power ambient rating. Refer to the applicable curves on PDF page 51.
Mechanical Details and Cable
Body dimensions, L × W × H
79 × 54 × 33 mm; tolerance ±1 mm.
Enclosure
Fully enclosed 94V-0 flame-retardant plastic.
DC cable
UL1185, 16 AWG; 1200 mm, ±50 mm.
Catalogue single-unit weight
235 g, from the explicit PACKING per-unit value; a catalogue packing reference, not a measured net or shipping weight.
Carton packing
60 pieces / 15.1 kg.
Power indication
Power-on LED.
Ferrite-to-plug segment
70 ±10 mm, as shown in the mechanical drawing.
Body dimensions exclude the attached DC cable and plug. Allow room for the cable exit and connector; follow PDF page 51.
Standard P1J Output Connection
Connector
Straight tuning-fork barrel plug P1J: 5.5 mm outside diameter, 2.1 mm inside diameter, 11 ±0.5 mm insertion length.
Polarity
C+: center/inside positive; outside negative.
Match the mating socket dimensions, insertion depth, polarity and voltage before connection. A mechanically fitting plug does not make different output models interchangeable.
Optional DC Plugs and Accessories
Tuning-fork alternatives
P1I: 5.5 / 2.1 / 9.5; P1L: 5.5 / 2.5 / 9.5; P1M: 5.5 / 2.5 / 11; P1IR: 5.5 / 2.1 / 9.5; P1JR: 5.5 / 2.1 / 11; P1LR: 5.5 / 2.5 / 9.5; P1MR: 5.5 / 2.5 / 11 mm (outside diameter / inside diameter / length).
Barrel alternatives
P2I: 5.5 / 2.1 / 9.5; P2J: 5.5 / 2.1 / 11; P2L: 5.5 / 2.5 / 9.5; P2M: 5.5 / 2.5 / 11; P2IR: 5.5 / 2.1 / 9.5; P2JR: 5.5 / 2.1 / 11; P2LR: 5.5 / 2.5 / 9.5; P2MR: 5.5 / 2.5 / 11 mm (outside diameter / inside diameter / length).
Locking alternatives
P2S (S761K): 5.53 / 2.03 / 12.06; P2K (761K): 5.53 / 2.54 / 12.06; P2C (S760K): 5.53 / 2.03 / 9.52; P2D (760K): 5.53 / 2.54 / 9.52 mm (outside diameter / inside diameter / length). SWITCHCRAFT original or equivalent.
Minimum-pin alternatives
P3A: 2.35 / 0.7 / 11; P3B: 4.0 / 1.7 / 11; P3C: 4.75 / 1.7 / 11 mm (outside diameter / inside diameter / length). EIAJ equivalent.
Center-pin alternatives
P4A: 5.5 / 3.4 / 11 mm, center pin 1.0 mm; P4B: 6.5 / 4.4 / 11 mm, center pin 1.4 mm; P4C: 7.4 / 5.1 / 11 mm, center pin 0.6 mm. EIAJ equivalent.
R6B
Locking three-pin male Mini DIN, KYCON KPPX-3P equivalent: pins 1 and 3 +Vo, pin 2 −Vo.
R7B
Locking four-pin male Mini DIN, KYCON KPPX-4P equivalent: pins 1 and 4 +Vo, pins 2 and 3 −Vo.
R7BF
Locking four-pin female Mini DIN, KYCON KPJX-CM-4S equivalent: pins 1 and 4 +Vo, pins 2 and 3 −Vo.
R1B
Male five-pin DIN: pins 1, 2 and 4 −Vo; pins 3 and 5 +Vo.
All optional plug dimensions are in mm. Codes ending in R in the P1/P2 lists indicate the illustrated right-angle version; the other P1/P2 barrel forms are straight. Confirm the complete cable assembly, mating side and current capability when ordering. No mating socket or optional cable is stated as included.
Factory DC-plug customization is subject to a minimum order quantity. The listed quick-adapter accessories are sold separately without a minimum order quantity. The tuning-fork alternatives, P4A/P4B/P4C, R6B and R7B and R1B have 7.5 A maximum quick-adapter ratings; P3A/P3B/P3C quick adapters are limited to 5 A. Barrel and locking alternatives, R7BF have no quick-adapter accessory listed.
Keep the load within both this model’s 4.32 A output rating and the selected accessory’s current rating.
Stripped and tinned leads are available by request: lead 1 red is +Vo and lead 2 black is −Vo; colours are reference only and must be verified on the actual assembly. The standard drawing marks L = 25 mm and L1 = 5 mm. Both lengths can be specified by request; no complete separate ordering code is printed for this lead option.
Safety and EMC
Listed safety standards
IEC60601-1:2005+A1+A2 and IEC60601-1-11:2015+A1; TUV BS EN/EN60601-1:2006+A1+A12+A2 and BS EN/EN60601-1-11:2015+A1; ANSI/AAMI ES60601-1:2005+A2 and ANSI/AAMI HA60601-1-11+A1; CAN/CSA C22.2 No.60601-1:2014+A2 and CSA C22.2 No.60601-1-11:2015+A1; EAC TP TC 004.
Conducted / radiated emissions
BS EN/EN55011 (CISPR11), FCC Part 15 / CISPR22, CAN ICES-3(B)/NMB-3(B), MSIP KN32: Class B.
Harmonic current / flicker
EN61000-3-2, Class A; EN61000-3-3.
Immunity framework
EN60601-1-2 and EN61204-3.
ESD, EN61000-4-2
Level 4: 15 kV air and 8 kV contact.
Radiated RF, EN61000-4-3
Level 3: 10 V/m, 80 MHz–2.7 GHz; Table 9 also lists 9–28 V/m over 385 MHz–5.78 GHz.
EFT, EN61000-4-4
Level 3, 2 kV.
Surge, EN61000-4-5
Level 3, 1 kV line-to-line.
Conducted RF, EN61000-4-6
Level 3, 10 V.
Magnetic field, EN61000-4-8
Level 4, 30 A/m.
Voltage dips / interruptions, EN61000-4-11
100% dip for 1 period; 30% dip for 25 periods; 100% interruption for 250 periods.
Use the standards listed for this exact US, European or desktop configuration; do not transfer certification or immunity claims from another adapter variant. Final equipment compliance must be checked with its actual cable and load.
Measurement Conditions and Reliability
General measurement conditions
Unless otherwise specified: 230 VAC, rated load, 25°C and 70% RH.
Voltage set point
Measured at the plug terminal at 50% load.
Ripple/noise measurement
20 MHz bandwidth; 12-inch twisted pair terminated with 0.1 µF and 47 µF capacitors.
Manufacturer warranty
3 years, subject to manufacturer warranty terms.
Catalogue revision
2026-04-03; combined PDF pages 49–53.
Minimum MTBF
3777.8 thousand hours by Telcordia SR-332; 651.4 thousand hours by MIL-HDBK-217F at 25°C.
Voltage tolerance includes set-up tolerance, line regulation and load regulation. Line regulation is measured from low line to high line at rated load. Set-up time is measured at the first cold start; repeated on/off switching may increase it.
Application and Selection
Examples include blood glucose meters, blood pressure meters, nebulizers, inhalers and portable medical devices.
Select this exact mains-plug version and output rating for the equipment. Check the matching socket and all applicable safety requirements before installation.
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