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Medical Isolated Power Supply Systems for Hospitals: Monitoring, Fault Detection and IEC Standards
Oct 27, 2026
Medical Isolated Power Supply Systems for Hospitals
— Monitoring, fault detection & IEC standards
A medical IT system isolates the supply and monitors insulation in operating theatres, ICU and emergency areas — so insulation faults are found before they interrupt care.
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3.15–10 kVA
Isolating transformer (AITR)
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1–999 kΩ
Insulation monitoring (AIM)
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up to 48
Fault-location circuits (AIL)
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1 fault
Supply never interrupted
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Continuity is a patient-safety matter
A medical IT system is an unearthed distribution arrangement used in designated medical locations, combining an isolating transformer with insulation monitoring to keep power running after a first insulation fault and to limit leakage and touch current.
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No interruption on first fault
Power stays on after an insulation fault; staff fix it on a planned schedule, not an emergency.
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Leakage current limited
The isolating transformer keeps leakage and touch current within safe limits for exposed medical areas.
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Fault found early
Monitoring plus a fault locator pinpoints the affected branch, so teams act on evidence.
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One continuous system, transformer to nurse station
Cloud platform & centralised supervision link the isolation power supply cabinets (IPS) through IoT gateways, with sensors and monitoring at each medical location. Acrel builds every layer — one supplier, one responsibility.
Every component of a compliant system
Devices and tables, all built to IEC 60364-7-710.
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AITR Series — Medical Isolating Transformer
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| Parameter | AIM-M10 | AIM-M300 | AIM-M300/SG |
|---|---|---|---|
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| Insulation resistance | 1–999 kΩ | 1–999 kΩ | 1–999 kΩ |
| Load current | 2–40 A | 5–40 A | 5–60 A |
| Temperature | –20~+20 °C | 0~200 °C | 0~200 °C |
| Supply voltage | AC 220 V | DC 18–36 V | DC 18–36 V |
| Interface | 7-seg · RS485 | RS485 · Modbus | RS485 · int. |
| Parameter | AID010 | AID030 | AID200 | AID300-TP-40 |
|---|---|---|---|---|
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| Display | LED | Dot-matrix | Dot-matrix | 4" touch |
| Monitored | AIM-M10 | AIM-M300 | AIM-M300 | AIM-M300 |
| Max devices | 2 | 16 | 16 | 30 |
| Interface | RS485 | RS485 | RS485 | RS485 |
| Parameter | AIL100-4 | AIL150-8 | AIL160-6 |
|---|---|---|---|
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| Measuring channels | 4 | 8 | 6 |
| Max circuits | 12 | 24 | 48 |
| Power supply | DC 18–36 V | DC 18–36 V | DC 18–36 V |
| Interface | CAN · int. | CAN · int. | CAN · int. |
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Medical Isolation Cabinet
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One overview for the whole hospital
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Real-time monitoring
Data, status and fault alarms for each system.
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Historical events
Recorded events and alarms for troubleshooting.
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Insulation trends
Insulation data in curve form over time.
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Fault statistics
Daily/monthly stats, rankings, unhandled events.
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Relevant IEC standards
| Standard | What it covers |
|---|---|
| IEC 60364-7-710 | Electrical installations in medical locations — Group 2 circuits. |
| IEC 61557-8 | Insulation monitoring devices for IT systems (AIM-M). |
| IEC 61557-9 | Insulation fault location systems (AIL). |
| IEC 61558-1 / -2-15 | Transformer safety; isolating transformers for medical locations (AITR). |
Verify editions, local adoption and conformity documentation before specifying.
Frequently asked questions
Discuss your medical electrical project with Acrel
Get the right combination of transformer, monitoring, fault location and software — with datasheets and certification documents for your audit.
| Email the engineering team | en.acrel-europe.com |
Acrel Co., Ltd. · No.253 Yu Lv Road, Jiading District, Shanghai 201801, China · 300286.SZ
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