Introduction
The ABB SAFT138CHS is a power supply module developed for ABB’s Symphony Plus, Advant, and Freelance automation platforms. It provides a dependable and stable 24V DC regulated output, powering controllers, I/O modules, and communication interfaces in critical industrial environments.
This module is specifically engineered for demanding process applications that require uninterrupted power, such as power generation, oil and gas, metallurgy, and chemical processing. Featuring enhanced protection circuits, superior voltage stability, and compact construction, the SAFT138CHS ensures smooth and secure operation even under electrical stress or fluctuating loads.
Technical Specifications
| Parameter | Specification | Description |
|---|---|---|
| Product Type | Power Supply Module | Industrial-grade regulated DC supply |
| Modèle Number | SAFT138CHS | ABB DCS power module |
| Input Voltage Range | 100–240 VAC, 47–63 Hz | Wide-range AC input for global use |
| Output Voltage | 24 VDC ±2% | Steady output for control and communication unités |
| Output Current | 5 A continuous | Sufficient for powering multiple modules |
| Rated Output Power | 120 W typical | Efficient and stable energy delivery |
| Power Efficiency | ≥ 88% | Low energy loss and heat dissipation |
| Ripple and Noise | < 50 mVpp | Excellent voltage stability for sensitive electronics |
| Protection Features | Overvoltage, overload, short-circuit, surge protection | Integrated multi-level protection design |
| Cooling Method | Natural convection | Fanless, silent, and maintenance-free |
| Status Indicators | LEDs for power ON, DC OK, and fault | Visual diagnostic for quick maintenance |
| Operating Temperature | 0°C to +55°C | Suitable for continuous industrial duty |
| Storage Temperature | -40°C to +85°C | Reliable under long-term storage conditions |
| Humidity Range | 5%–95% non-condensing | Performs well in humid environments |
| Mounting Type | DIN-rail / rack mount | Flexible integration into ABB control cabinets |
| Certifications | CE, UL, RoHS, EN 61000-6-2/6-4 | Meets global EMC and safety standards |
| Dimensions (H × W × D) | 125 mm × 50 mm × 145 mm (4.92″ × 1.97″ × 5.71″) | Compact modular design |
| Poids | 0.70 kg (1.54 lb) | Lightweight aluminum alloy housing |
Practical Applications
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Power Plants: Provides regulated DC power to turbine and excitation control systems.
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Oil & Gas Facilities: Maintains stable voltage for compressors and field automation devices.
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Chemical Processing Plants: Powers distributed I/O and PLCs in hazardous zones.
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Water & Wastewater Systems: Ensures reliable operation sur control stations and RTUs.
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Marine & Offshore Installations: Designed for vibration-tolerant, moisture-resistant conditions.
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Metallurgical Industries: Feeds automation systems under high temperature and electrical load fluctuations.
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Renewable Energy Systems: Supplies reliable power to solar and wind turbine control networks.
Advantages sur the SAFT138CHS
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High Electrical Stability: Provides exceptionally clean DC power with minimal ripple.
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Extended Input Range: Accepts wide AC voltage input for global installations.
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Robust Protection: Comprehensive safety circuits safeguard connected modules.
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Silent Operation: Natural convection cooling ensures noise-free, low-maintenance performance.
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Compact Design: Enregistrers cabinet space without compromising performance.
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Energy Efficiency: High conversion efficiency reduces energy waste and thermal stress.
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Easy Integration: Plug-and-play compatibility with ABB control systems.
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Reliable Construction: Built with industrial-grade materials for long-term endurance.
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Quick Diagnostics: LED indicators enable rapid fault identification.
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Compliance and Safety: Fully certified for EMC, electrical, and environmental standards.
Informations sur l'entreprise
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Add: Alishan Building, 2 Lvling Rd, District Siming, Xiamen, Fujian, Chine, 361006
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