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85442
Murr Elektronik 85442 available at EU Automation. Get in touch today for a quick price.
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What happens next?
1. Email confirmation
You will get an email confirming that we have received your enquiry.
2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition.
3. Your quote
You will receive a comprehensive quote tailored to your specific needs.
The Murr Elektronik 85442 is an Emparro single-phase industrial power supply designed to convert a wide input range of 90–265 V AC or 90–250 V DC into a stable 24–28 V DC output. With a 20 A output current and adjustable DC output voltage, it is suited for control cabinets, automation systems, machine panels, and distributed industrial power applications.
This DIN rail mount power supply features Push-In spring clamp terminals for efficient installation, SELV output, and protection against overload and short circuit conditions. It supports parallel connection of up to five devices and series connection of up to two devices, making it adaptable for higher current or voltage configurations where required. The unit also provides 150% Power Boost for at least 4 seconds, helping handle temporary load peaks.
The 85442 offers high efficiency of up to 94.1% at 230 V AC, a minimum mains failure bridging time of 30 ms at 100 V AC, and an IP20 enclosure rating. Built for demanding industrial environments, it operates from -40°C to 60°C, with derating from 45°C, and mounts on a TH35 rail in accordance with EN 60715. Its compact 85 mm width, 123 mm height, and 138 mm depth make it a practical choice for space-conscious panel designs.
This DIN rail mount power supply features Push-In spring clamp terminals for efficient installation, SELV output, and protection against overload and short circuit conditions. It supports parallel connection of up to five devices and series connection of up to two devices, making it adaptable for higher current or voltage configurations where required. The unit also provides 150% Power Boost for at least 4 seconds, helping handle temporary load peaks.
The 85442 offers high efficiency of up to 94.1% at 230 V AC, a minimum mains failure bridging time of 30 ms at 100 V AC, and an IP20 enclosure rating. Built for demanding industrial environments, it operates from -40°C to 60°C, with derating from 45°C, and mounts on a TH35 rail in accordance with EN 60715. Its compact 85 mm width, 123 mm height, and 138 mm depth make it a practical choice for space-conscious panel designs.
| Specification | Description |
|---|---|
| Manufacturer | Murr Elektronik |
| Part Number | 85442 |
| Product Type | 1-phase DIN rail power supply |
| Model Designation | Emparro 20-100-240/24 |
| Series | Emparro |
| Input Voltage | 90 to 265 V AC or 90 to 250 V DC |
| Nominal Input Voltage | 100 to 240 V AC |
| Output Voltage | 24 to 28 V DC, adjustable |
| Nominal Output Voltage | 24 V DC |
| Output Current | 20 A |
| Power Boost | 150% for at least 4 seconds |
| Mains Failure Bridging | Minimum 30 ms at 100 V AC |
| Efficiency | 91.7% at 110 V AC; 94.1% at 230 V AC |
| Input Current | 5.2 A at 100 V AC; 2.2 A at 240 V AC |
| Inrush Current | Maximum 23 A at 230 V |
| Power Frequency | 50 to 60 Hz |
| Security Level | SELV |
| Primary Fuse Protection | Internal 10 A protection with inert backup fuse characteristic |
| Output Protection | Overload and short-circuit protection included |
| Ripple | Maximum 50 mV effective ripple |
| Spikes | Maximum 200 mV peak-to-peak |
| Connection Type | Push-in spring clamp terminals |
| Alarm Connection | 2-pole female green terminal, pins 13 and 14 |
| Input Connection | 3-pole female green terminal, PE, N, and L |
| Output Connection | 4-pole female green terminal, two negative and two positive terminals |
| Mounting | TH35 mounting rail according to EN 60715 |
| Dimensions | 123 mm height x 85 mm width x 138 mm depth |
| Degree of Protection | IP20 according to EN IEC 60529 |
| Operating Temperature | -40 °C to 60 °C |
| Derating | From 45 °C |
| Storage Temperature | -40 °C to 80 °C |
| Operating Humidity | 5% to 95% relative humidity, non-condensing |
| Parallel Connection | Yes, up to 5 devices |
| Series Connection | Yes, up to 2 devices |
| Product Standard | IEC 61010-2-201 |
| EMC Standards | EN 55011 B and EN 61000-3-2 |
| Low Voltage Directive Standard | EN 61204-3 |
| SEMI F47 | Compliant |
| GTIN / EAN | 4048879402910 |
| Country of Origin | CZ |
| Weight | 1.256 kg |
| Commodity Code | 850440 |
What type of device is this?
This is a single-phase industrial power supply from the Emparro range, designed to convert AC or DC input power into a regulated 24 to 28 V DC output for control cabinets, automation systems, and machine power distribution.
What output does it provide?
It provides an adjustable DC output from 24 to 28 V, with a rated output current of 20 A. This makes it suitable for powering 24 V DC control circuits, sensors, actuators, relays, and other automation components.
What input voltage range does it accept?
The unit accepts 90 to 265 V AC or 90 to 250 V DC input. Its nominal AC input range is 100 to 240 V AC, making it suitable for many industrial mains supply configurations.
Can multiple units be connected together?
Yes. Up to 5 devices can be connected in parallel, and up to 2 devices can be connected in series, depending on the application requirements and correct installation practice.
Does it have a power boost function?
Yes. The power supply offers a 150% Power Boost function for a minimum of 4 seconds, helping it handle short-term increased load demands during machine start-up or peak current events.
What is the efficiency rating?
The efficiency is rated at 91.7% at 110 V AC and 94.1% at 230 V AC. Higher efficiency can help reduce heat generation inside control panels.
How is it mounted?
The power supply is designed for snap-on mounting to a TH35 mounting rail in accordance with EN 60715, making it suitable for standard industrial control cabinet installations.
What are the physical dimensions?
The unit measures 123 mm high, 85 mm wide, and 138 mm deep. These dimensions are useful when checking panel space or replacing an existing DIN rail power supply.
What operating temperature range is supported?
It operates from -40 °C to 60 °C, with derating from 45 °C. The storage temperature range is -40 °C to 80 °C.
What connection style does it use?
The unit uses Push-In spring clamp terminals. It includes separate terminal connections for alarm, input, and output wiring.
What output protection features are included?
The power supply includes output overload protection and output short-circuit protection. It also has an IP20 degree of protection according to EN IEC 60529.
What is the customs classification for this item?
This power supply is classified under commodity code 850440, which covers static converters such as industrial power supplies.
- Supplying regulated 24 V DC power for industrial control panels
- Powering PLC input/output modules and distributed automation equipment
- Providing DC power for sensors, actuators, relays, and contactors
- Supporting machine control systems that require stable 24 V DC operation
- Use in DIN rail-mounted electrical cabinets and enclosure builds
- Powering process automation equipment in manufacturing environments
- Supporting material handling systems such as conveyors and sorting equipment
- Providing auxiliary power for industrial monitoring and signaling circuits
- Use in packaging machinery, assembly lines, and production equipment
- Supporting systems that require high-output current from a compact single-phase power supply
This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
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Customer reviews
steve
Daniel
Excellent customer service...
Alex Bailey is my main point of contact at EU Automation...he is extremely friendly, has exceptional customer service skills and always offers great pricing & lead times.
2 months ago
Jerry Schrink
Tom Higgins provided amazing service
Tom Higgins provided great prompt service. I contacted Tom by phone and within 10 minutes there was a quote in my in box. WOW Thank you Tom and Thank you EU Automation!
3 months ago
Paulo Pereira
Excellent service and communication…
Excellent service and communication from Alex Bailey. He truly goes above and beyond to ensure his clients are 100% satisfied. The entire process was seamless, and his attention to detail made a huge difference. Highly recommended for anyone looking for amazing service!
3 months ago
Gary
Tom Higgins did a great job at getting…
Tom Higgins did a great job at getting us the part we needed. He saw a concern with the part a verified before shipping.
3 months ago
Lessle Smith
Thomas Higgins has gone above and…
Thomas Higgins has gone above and beyond to make things happen for my facility. His customer service and knowledge were an asset in helping me with my order and the logistics challenges!
4 months ago
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