How to choose the right DIN rail power supply
Guide for industrial DIN rail power supplies and automation systems
Choosing the right DIN rail power supply is important for operational reliability, energy efficiency, and stable operation in automation systems. Different installations have different requirements for input voltage, power, certifications, and features.
Here we compare Delta's different series for industry, automation, marine environments, and building automation to help you find the right solution for your application.
Compare Delta's different series for industrial and automation
DIN Pro
Advanced automation systems and smart integration
DIN Pro is developed for modern automation systems where high power density, AC/DC flexibility, and advanced integration features are important requirements. The series offers remote ON/OFF, high EMC immunity, and Power Boost for dynamic loads and sensitive control systems.
The power supplies support both AC input 85–277 Vac and DC input 100–400 Vdc, providing high flexibility in industrial installations and automation cabinets.
Typical applications:
- PLC and automation systems
- Industrial control cabinets
- Advanced machine control
- System with high EMC requirements
- Installations with AC/DC power supply
- Dynamic and inductive loads
Key features:
- Power Boost up to 150%
- Remote ON/OFF
- High EMC immunity
- AC/DC input
- Conformal coating
- Compact design
- Efficiency up to 95.5%
Force GT
Industrial control cabinets and machine controls
Force-GT is a robust standard choice for industrial automation and machine control where operational reliability, high efficiency, and compact design are important requirements.
The series offers constant current mode for heavy loads, an ultra-slim design, and the possibility of parallel connection on selected models.
Typical applications:
- PLC system
- I/O modules
- Machine control
- Industrial control cabinets
- Heavy loads and equipment with inrush current
Key features:
- Constant current mode
- Ultrasmall design
- High efficiency
- Parallel connection on selected models
- 1-phase and 3-phase models
DIN Eco
Compact and energy-efficient 3-phase power supplies
DIN Eco is developed for industrial installations where compact design, high efficiency, and stable 3-phase power are important requirements. The series is particularly well-suited for control cabinets with limited space where energy efficiency and operational reliability are prioritized.
The high efficiency reduces heat generation in the enclosure while the compact design saves space on the DIN rail.
Typical applications:
- Industrial control cabinets
- 3-phase installations
- Machine control
- Automation system
- Compact control cabinets
- Energy-efficient installations
Key features:
- 3-phase AC input
- Efficiency up to 95.5%
- Compact design
- High power density
- Power Boost
- Stable operation in industrial environments
CliQ M
Installations in marine or extremely harsh environments
CliQ M is developed for marine installations and industrial environments with high demands on robustness, vibration resistance, and special certifications.
The series has a metal enclosure, conformal coating, and DNV and ABS approvals for marine applications. Advanced Power Boost (APB) provides extra power for dynamic loads and heavy starts.
Typical applications:
- Marine systems
- Offshore
- Process industry
- Installations with vibration or moisture
- Tough industrial environments
Key features:
- DNV and ABS Certification
- Advanced Power Boost (APB)
- Metal enclosure
- Conformal coating
- High robustness
- High power density
LYTE II
Cost-effective systems and standard installations
LYTE II is an affordable and compact power supply for standard installations where advanced special features or certifications are not required.
The series is well-suited for OEM production, smaller machines, and general industrial construction.
Typical applications:
- OEM production
- Compact control cabinets
- Smaller machines
- Standard installations
- General industrial construction
Key features:
- Affordable construction
- Compact design
- Low idle consumption
- Easy installation
CHROME II
Small control systems and building automation
CHROME II is developed for smaller control systems, elevators, security systems, and building automation where Class II isolation and NEC Class 2 are important requirements.
The series is particularly well-suited for building automation and smaller control cabinets.
Typical applications:
- Elevator and door control
- BMS / KNX
- Alarm and security systems
- Smaller control cabinet
- Real estate automation
Key features:
- Class II insulation
- NEC Class 2
- Compact design
- Low power consumption
Comparison table – Delta DIN rail power supplies
| Series | Power range | Input voltage | Outputs | Temperature range | Recommended for | Special features | Boost function |
|---|---|---|---|---|---|---|---|
| DIN Pro | 120–960W | AC/DC | 12V / 24V / 48V | -40 to +80 °C | Advanced automation systems | Remote ON/OFF, AC/DC input, high EMC immunity | Power Boost |
| Force GT | 120–960W | 1-phase / 3-phase | 12V / 24V / 48V | -25 to +70 °C | Industrial automation | Constant current mode, ultra-slim design | Constant current mode |
| DIN Eco | 120–960W | 3-phase | 24V / 48V | -40 to +70 °C | Energy-efficient 3-phase installations | High efficiency, compact design | Power Boost |
| CliQ M | 81–960W | 1-phase / 3-phase | 12V / 24V / 48V | -40 to +70 °C | Marina and extreme environments | APB, metal casing, DNV/ABS | Power Boost + APB |
| LYTE II | 120–480W | 1-phase | 12V / 24V / 48V | -30 to +70 °C | Standard installations | Affordable and compact | — |
| CHROME II | 10–100W | 1-phase | 5V / 12V / 24V | -20 to +70 °C | Real estate automation | Class II, NEC Class 2 | — |
FAQ – Frequently Asked Questions about DIN Rail Power Supplies
Which series should I choose for advanced automation systems?
DIN Pro is developed for modern automation systems with high demands for integration, EMC immunity, and flexible AC/DC power supply.
Which power supply is best suited for marine installations?
CliQ M is developed for marine and extreme environments and has DNV and ABS certifications for offshore and marine systems.
When should you choose DIN Eco?
DIN Eco is best suited for 3-phase installations where compact design, energy efficiency, and high efficiency are important requirements
What power supply is best for standard industrial automation?
Force-GT is a robust standard choice for machine control, PLC systems, and industrial control cabinets.
Which series support parallel connection for redundancy?
Force-GT and CliQ M offer parallel connection on selected models for redundant systems and higher operational reliability.
Which power supply supports both AC and DC input?
DIN Pro supports both AC input 85–277 Vac and DC input 100–400 Vdc.
What is Advanced Power Boost (APB)?
APB is a function in CliQ M that provides extra power during dynamic loads and heavy starts.
Is LYTE II sufficient for industrial applications?
Yes, LYTE II is well-suited for standard installations, OEM production, and smaller industrial systems where advanced special features are not required.
Which power supply is best suited for small control systems or building automation?
CHROME II is developed for smaller control systems, BMS, KNX, and building automation.
Can these power supplies handle high temperatures?
Yes, several series are developed for industrial environments with high temperatures. DIN Pro can operate from -40°C to +80°C depending on the model and load.
