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Help CenterJapanese Cosel Gha300f/gha500f/gha700f Medical/industrial Enclosed Switching Power Supplies
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Model:
Japan COSEL
GHA300F / GHA500F / GHA700F
(Most models are in stock. Welcome to inquire.)
Country of origin: China
The GHA700F is the latest AC-DC 3"X5" medical power supply launched by COSEL, with an efficiency of up to 96%. It has a high power density of 31.1W/cubic inch, making it suitable for devices with limited installation space but high requirements for volume. The rated output voltage of the GHA700F is 24, 30, 48 or 56V. Meanwhile, it offers a ClassⅡ (no FG) design option, which can be applied to mobile medical devices.
The GHA700F has comprehensive medical certifications (ANSI/AAMI ES60601-1, EN60601-1 Third Edition and IEC60601-1-2 Fourth Edition), making it very suitable for various types of BF medical devices. It also complies with the EN61558-2-16 OVC Ⅲ (overvoltage protection) standard, so there is no need to use an isolation transformer, which reduces costs and saves more space.
(Actual product photos)
Product parameters:
| Parameter category | Detailed specifications |
| Brand / Series | Japan COSEL / GHA-F Series (GHA300F / GHA500F / GHA700F) |
| Product type | Single-output AC-DC enclosed switching power supply, with metal case + removable cover (Finger-safe), and terminal block |
| Application fields | Medical imaging/diagnostic equipment (CT/MRI auxiliary machines), clinical analyzers, laboratory instruments, industrial equipment (requiring high insulation/low leakage current) |
| Input voltage | AC 85～264V single-phase (50/60Hz, 47～63Hz), compatible with DC 120～370V (depending on the suffix) |
| Output power | GHA300F: 300W (170～264V In) / 150W (85～132V In) GHA500F: 500W GHA700F: 700W (peak 750W) |
| Output voltage |
DC 5V / 12V / 15V / 24V / 36V / 48V (single-output fully regulated), with built-in VR fine-tuning ±5%～±10% |
|
Output current (Typical @24V) |
GHA300F: 24V@13A | GHA500F: 24V@21A | GHA700F: 24V@29A Typical efficiency 88%～92% (with built-in Active PFC, PF≥0.95 @230V) |
| Efficiency | Typical 79%～94% (about 79%～81% for 1.5W models; 94% for 80W models, with synchronous rectification circuit) |
| Design features | ● Metal case + cover, low EMI radiation, anti-electric shock ● Built-in active PFC (compliant with IEC61000-3-2 Class A) ● Built-in Class B EMI filter (no external filtering required) ● Low leakage current design: ≤100μA (compliant with medical equipment requirements) ● Reinforced insulation: Input-output AC 4000V (1min), input-FG AC 2000V ● DC OK LED, Remote ON/OFF (R option), Remote Sense (500F/700F) ● Optional Conformal Coating (C suffix), Alarm contact (N1 option) |
| Protection functions | ● Overcurrent protection (OCP) 105% - 150% rated, automatic recovery (Hiccup) ● Overvoltage protection (OVP) Automatic recovery ● Short-circuit protection (SCP) Automatic recovery ● Overheat protection (OTP) Built-in, self-recovery |
| Dielectric withstand voltage / Leakage current |
Input - Output: AC 4000V (1 minute) ← Medical 2×MOPP Input - FG: AC 2000V (1 minute) Output - FG: AC 500V (1 minute) Leakage current: ≤100μA (240VAC/60Hz), meets the requirements of medical BF type applications Insulation resistance: DC 500V, ≥100MΩ |
| Safety certifications |
UL60601-1 / EN60601-1 / CSA C22.2 No.601.1 (Third edition) - 2×MOPP UL62368-1 / EN62368-1 (Industrial and general use), CE, RoHS, UKCA, KC |
| Operating environment | -10 - +70℃ (Derate according to the derating curve at high temperatures, moderate airflow is recommended for 700F), humidity 20 - 95% RH non-condensing Cooling: Natural convection (300F) / Temperature-controlled fan (500F/700F) |
|
Dimensions (Approx. W×H×D) |
GHA300F: 160×63×127 mm (Approx. 1.2kg) GHA500F: 190×63×150 mm (Approx. 1.8kg) GHA700F: 217×63×180 mm (Approx. 2.5kg) |
| Warranty | 3 - 5 years original factory warranty (Depending on the shipping area/contract, the standard commitment is 3 years) |
| Typical Models | GHA300F-24 (300W/24V Medical), GHA500F-24 (500W/24V) GHA700F-24C (700W/24V with Three-proof Coating) |
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