RACM1200-36SAV/ENC

  • Up to 1000 Watt fan-less power / 1200W boost
  • Designed and manufactured in europe
  • Efficiency exceeding 90% from 15% load
  • Wide Operating temperature range -40…+80°C
  • Certified to Industrial, and medical standards
  • Analogue control & monitor function
  • Custom variants

The RACM1200-V series is setting a new benchmark for compactness in the class of AC power supplies for reliable fan-less operation supporting long term system availability. A special baseplate cooled design supports heat transfer to allow up to 1000W continuous output power. Up to 1200 Watt output power is available for up to 10 seconds and in boost mode operation or for extended time with sufficient system airflow through the unit. A wide output voltage adjustment range and a combination of constant current limitation and hiccup mode settings makes the product multipurpose. The various analogue control and monitoring functions are accessible via connector. Optional firmware settings available on project base. The RACM1200-V Series can be limited to inherently fail-safe settings on request, using smart, controlled, fault-limiting functions. Only the /PMB Variant supports default settings ex factory to be adjusted, and warning signals to be adopted. An adjustable 12V system FAN output and a 1.5kVAC isolated auxiliary stand by output of 5VSB/1A are available to power the application’s housekeeping functions. Peak efficiency reaches up to 95% and in standby mode, the unit is compliant to ecodesign requirements. The product holds worldwide safety files to medical, industrial and ITE standards along with electromagnetic compatibility compliance with class A immunity and class B emissions. Spring stainless steel mounting brackets are available separately for a perfect fixation when mounting over the top of the base plate is preferred. All these features make the product one of the easiest to integrate modular power solutions in the industry.

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Attributes RACM1200-36SAV/ENC
AC/DC or DC/DC AC/DC
Power (W) 1200.0
Isolation Isolated
Vin (V) 80.0 - 264.0
Main Vout (V) 30 to 36
Nr. of Outputs Single
Iout 1 (mA) 40000.0
Isolation (kV) 4.0
Mounting Type Connector
Package Style Enclosed 9"x3.8"
Length (mm) 228.0
Width (mm) 96.2
Height (mm) 40.0
Certifications CB, CE, EN 55024, EN 55032, EN 60601-1, EN 60601-1-2, EN 62368-1, UL 60601-1, UL 62368-1
MIN Operating Temp (°C) -40.0
MAX Operating Temp (°C) 80.0
Protections OCP, OTP, OVP, SCP
Trim Pin Output Voltage Adjustment 30-36
Control Pin Function Enabled
Directives REACH, RoHS 2+ (10/10)
Packaging Type Single Box
Warranty 3 Years
Regulation Regulated
All AC/DC converters contain a built-in fusible device (either one or more fuses or a fusible resistor), so no external protection is normally necessary. However, some regulations require an external input fuse to protect against short circuits in the AC cabling or PCB tracks leading to the converter. The –ST or RAC-ADAPT options (PCB with screw terminal input and output connections) also contain an external input fuse as standard.
AC/DC converters can tolerate a DC voltage on their outputs when they are not powered up as long as the external DC voltage is lower than their nominal DC output. Therefore the output from the AC/DC adaptor should be connected to an alternate DC supply via OR-ing diodes. This is a useful feature that enables, for example, a board to be powered up and calibrated or tested using a safe low voltage DC bench supply and then only plugged into the mains for a final check after the unit has been reassembled into its case.
All of our AC/DC converters contain a built-in Under Voltage Lock-Out (UVLO) function that will disable the converter if the input voltage is too low to stop the input current getting too high. The UVLO is typically set to around 80V AC.
The main output options are:

Single output, with Vout+ and Vout- pins. This is the most commonly used option.
Dual (bipolar) output, with Vout+, Com and Vout- pins, e.g. +/-15V. Useful for generating bipolar supply rails from a single input voltage rail, e.g, to supply an op-amp.
Dual (asymmetric) output , with Vout+, Com and Vout- pins, e.g. +18/-9V. Useful for IGBT gate driver applications which uses asymmetric supply voltages.
Dual (independent) output, with Vout1+, Vout1- and Vout2+, Vout2-, where the outputs are isolated both from the input and from each other. Useful for supplying a two-channel application using only one converter.
Triple output, with a main Vout+ and Aux+, Com and Aux- pins, e.g. +5V and +/-12V. Useful for applications requiring a single high current supply and an auxiliary supply to power peripherals.
All RECOM products are RoHS2+ compliant. You can find certificates and Declarations of Conformity on our home page.
Although some of our DC/DC converters contain Class A or Class B EMC filters built in, many of our low cost DC/DC converters contain only simple input filters. The customer can then decide to add an EMC filter individually or for all of the converters together to save costs. External EMI filter suggestions are given in our Application Notes for both Class A and Class B levels. All of our AC/DC converters contain a built-in Class B EMC filter as standard.
RECOM prides itself on having a comprehensive certification portfolio, with full third party UL/IEC/EN certifications (not just 'designed to meet'). Certifications cover Industrial, Medical, LED lighting, Household, Railway and Automotive standards, depending on the application area of the converter.
We provide many medical grade converters with UL/IEC/ EN-60601-1 certifications (3rd Ed.), including risk assessment documentation.
The UKCA (UK Conformity Assessed) marking is a new UK product marking that is used for products being placed on the market in Great Britain (England, Wales and Scotland). It applies to the same products that are currently CE marked. The circumstances in which self-declaration of conformity for UKCA marking can be used are the same as for CE marking. Based on current UK rules, RECOM is eligible to self-declare for the UKCA Declaration of Conformity (DoC) as long as the EU and UK regulations remain aligned.
RECOM will make available a separate UKCA Declaration of Conformity (DoC) based on the existing CE Declaration of Conformity (DoC) and test reports (self-declaration). CE marking remains valid for goods placed on the market in Great Britain until 1 January 2023. The UKCA marking must be used for placing goods on the market in Great Britain after this date. RECOM will continue to actively monitor any changes to the UKCA rules based on UK government guidance and react accordingly.
We will also instigate a program to successively add the UKCA mark to our CE marked products to fulfil our obligations as manufacturer. For further information or enquiries regarding our UKCA policy, contact TechSupport
In addition to the standard ranges shown in the data sheet, RECOM has the capability to produce custom AC/DC and DC/DC converters designed to your specific requirements.
In general, there are two customizations available: modification of an existing product or a full custom.
Modified parts can be quickly designed to ""tweak"" the specifications to better fit the application, for example, a non-standard output voltage or extra long pins. Prototype samples can also be produced in short timescales, often with a minimal increase in cost.
Full custom is a new design with a different shape, specification or additional outputs, for example. An NRE (Non-Returnable Engineering) charge will usually be required and a Minimum Order Quantity (MOQ). Contact Recom Technical Support for more information.
All RECOM production batches are burn-in tested in our factory before being shipped to the customer.
The inrush current is dependent on the converter, the load (especially the capacitive load) and the impedance of the primary power supply. Therefore, there is no recommended value for the inrush limiting inductor as this need to be individually worked out for each application. Having said that, usually 22µH~100µH is a good starting point.
A CMC is a good inrush current limiter because the core does not go into saturation with high currents (the +ve inrush current is balanced out by the -ve inrush current), so it has a dual purpose: EMC filter and inrush limiting. However, for high power converters it is sometimes better to use a low inductance, high current, choke that is selected to reduce inrush rather than a high inductance choke selected for the best EMC filtering because otherwise too much power could be lost through the choke's resistance during normal operation.
Our AC/DC converters usually incorporate input surge protection, although some series require an external suppression MOV to meet all operating conditions. Our DC/DC converters do not usually incorporate surge protection, although an electrolytic capacitor placed close to the input pins is usually sufficient to meet the requirements of 61000-4-5.
RECOM prides itself on having comprehensive datasheets, but there may be a parameter or operating characteristic that it not listed.

We offer local Technical Support through our offices in Austria, Germany, USA, Singapore, Japan and China, or you can contact your local RECOM contact or distributor to ask us for more information.
All RECOM products will not be damaged if used without s load, although in some families some specifications may be out of range below 10% load.
The converters are not vacuum potted because we use a special process to remove the air bubbles (voids). The epoxy potting process is as follows:
1- The two-component epoxy is mixed and placed under a vacuum for 1 minute to remove any air bubbles created by the mixing process.
2- The plastic case is 1/3 filled and allowed to rest.
3- The pre-tested converter pcb is inserted into the case and 2/3 filled and allowed to rest.
4- The part completed converters are placed in a warm oven (30°C) for 20 minutes to allow any air bubbles to rise to the top.
5- The case is sealed with a harder grade of epoxy and baked at 50°C for one hour to cure.
6- In addition, spot checks are made with our X-ray machine to monitor and ensure that air voids are not present in any of our converters.
The silicone rubber potting process is as follows:
1- The pre-mixed silicone rubber compound is injected into the case
2- The case is placed on to a shaker and vibrated to encourage any air bubbles to rise to the surface
3- The case is topped up to the fill level
4- The converters are put aside to cure at room temperature.
The current drawn by the converter when it is idle (not loaded). All converters contain oscillators that absorb power even if no power is being drawn from the converter.
At a certain ambient temperature the internal heat dissipation makes it impossible for the converter to supply 100% of its power and the load must be derated (reduced) as the temperature goes higher. The derating curve shows the maximum power that the converter can deliver over the full operating temperature range. Some AC/DC converters allso have a low-temperature derating. This is due to increased losses caused by reduced efficiency at very low temperatures.
Yes, if they are derated (not used at full power). However, the simpler low cost converters have no overtemperature protection. If they are used outside of the temperature specification for a long period of time, they may fail. Our higher power DC/DC and AC/DC converters are fitted with over temperature protection. If they overheat they will simply shut down.
Isolation refers to the electrical separation (galvanic isolation) between the input and the output of the converter. This means that the output of an isolated converter is not linked to the input and any electrical interference, voltage differences and fault currents are blocked. This is extremely important in applications where the output circuit is connected to the “real” world and the main circuit must be separated from anything that happens to the output circuit. DC/DC converters are usually specified with the DC isolation for 1 second, AC/DC converters are usually specified with the AC isolation for 1 minute.
The isolation voltage given in the datasheets is valid for 1 second flash test only. If an isolation barrier is required for longer or infinite time the Rated Working Voltage has to be used. Recom provides an isolation conversion calculator on the website to indicate the equivalence bewtween DC and AC isolation for 1s, 60s or continuous.
It is very important that you compare the same type of isolation when comparing our products with the competitors to avoid misunderstandings.
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  Part Number Description
1 AC/DC RAC-MB1
Mounting bracket for RECOM AC/DC-Converters