ABB CP-E 24/20.0 Power Supply – 24VDC 20A Module

The ABB CP-E 24/20.0 (1SVR427036R0000) delivers high-capacity 24 VDC power for demanding industrial control and automation systems. Its robust switch-mode design and wide input voltage range make it suitable for global installations and harsh electrical environments. In addition, the power supply features adjustable output and parallel capability, allowing flexible integration and scalable power delivery in complex control panels. This makes the unit an ideal choice when reliable, continuous 24 VDC power is critical for PLCs, drives, sensors, and actuators.

2. Key Features and Main Benefits

• Provides a strong 20 A output at 24 VDC, supplying up to 480 W, which supports large control cabinets and multiple downstream devices. 

• Accepts wide input voltage range 90–264 VAC or 120–375 VDC, offering compatibility with varied power environments. 

• Offers adjustable output voltage (approx. 22.5–28.5 VDC), enabling fine-tuning to compensate for voltage drops or meet device-specific requirements. 

• Supports parallel operation (up to 3 units) to increase capacity or enable redundancy for high-availability systems. 

• Ensures reliable protection and stable operation: overload, short-circuit, and inrush current limiting are integrated. 

• Operates reliably across wide ambient temperatures (e.g. –40 °C to +70 °C), enabling deployment in challenging industrial environments. 

3. Technical Specifications

Electrical Data

• Input voltage range (AC): 90–264 V AC

• Input voltage range (DC): 120–375 V DC

• Rated input voltage: 115 / 230 V AC (auto-select) 

• Output voltage: 24 V DC (adjustable 22.5–28.5 V DC) 

• Output current: 20 A 

• Output power: 480 W 

• Output characteristic: U/I curve 

• Parallel operation: Up to 3 units for higher capacity or redundancy 

Mechanical / Installation Data

• Mounting: DIN rail (TH35-7.5 or TH35-15 per IEC/EN 60715) 

• Protection class: Housing and terminals IP20, Pollution degree 2 

• Connection capacity: Input and output wiring support flexible (ferrule) and rigid cables 0.2–6 mm² 

• Operating ambient temperature: –40 °C to +70 °C 

Compliance & Safety

• Conforms to UL 508, UL 60950, EN 60950-1, IEC/EN 61000-6-2 / 61000-6-3 EMC standards 

• Built-in input fuse and inrush current limiting to protect connected equipment and supply lines 

4. Typical Applications and System Integration Use Cases

This power supply is ideal for control cabinets powering centralized PLC racks, distributed I/O modules, sensors, and actuators in manufacturing plants. For instance, OEM machine builders often choose it for robotics cells, packaging lines, and conveyor systems requiring stable 24 VDC rails. Moreover, its parallel and redundancy capabilities allow design of fault-tolerant automation systems where downtime must be minimized. It also suits retrofit installations that demand high power density within limited DIN-rail space.

5. Reliability and Maintenance Advantages

The CP-E 24/20.0 is engineered for 100% duty cycle operation, with low power dissipation and free convection cooling eliminating the need for fans. Its sturdy metal housing and wide input range ensure dependable performance even under harsh supply conditions or temperature extremes. Furthermore, built-in protections (overload, short-circuit, inrush limiting) reduce stress on both supply and connected loads, which extends system life and simplifies maintenance planning. Global availability of documentation and accessories supports long-term service and replacement strategies.

6. FAQ

Q1: What is the output capacity of this power supply?
This unit provides 24 V DC at up to 20 A, delivering 480 W power for demanding systems.

Q2: Can multiple units be combined for higher power or redundancy?
Yes, up to three units may be connected in parallel to increase capacity or enable redundancy.

Q3: Is the output voltage adjustable for sensitive devices or long cable runs?
Yes, the output voltage can be adjusted between approximately 22.5 V and 28.5 V.

Q4: What input voltages can this supply accept?
It accepts 90–264 VAC or 120–375 VDC, covering a broad range of supply environments.

Q5: Does the supply include protections against overload or short circuits?
Yes, integrated protections include input fuse, inrush current limiting, overload and short-circuit protection.

Q6: Is the module suitable for continuous operation in industrial environments?
Yes, it is rated for 100% duty cycle and operates reliably between –40 °C and +70 °C.