02.91.020-CE07 KEB
Wake Industrial LLC is not an authorized distributor of this product.
MPN: 0291020-CE07
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The KEB 02.91.020-CE07 is a full wave rectifier from the COMBITRON Rectifiers series with an IP20 protection rating. It supports a voltage rating of CE 275 VAC or UL 240 VAC and has a rated output current of 2.0 A at 45°C or 1.0 A at 80°C. The rectifier features dimensions of 37 by 25 by 17 mm and operates in climatic category 3K3.
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Product Description:
The 02.91.020-CE07 is a compact rectifier module produced by KEB for the COMBITRON Rectifiers series. Designed for control panels and small drives, this device converts alternating voltage into direct current so that brake coils, contactors, or PLC inputs receive a steady DC supply. Its small footprint allows placement close to the load, reducing wiring lengths and improving response time in industrial automation circuits.
The electrical profile of the module centers on its input window of CE 275 VAC - UL 240 VAC, allowing operation on European or North-American mains without readjustment. Inside, a Full Wave diode bridge rectifies the incoming line, producing a smoother DC curve than half-wave designs and lowering ripple on sensitive loads. At an ambient temperature of 45 °C the unit can deliver 2.0 A of continuous output current, while the specification lists a switching path of AC/DC, indicating that the device is placed between an AC source and a DC consumer. An enclosure rating of IP20 protects the internal components from accidental finger contact and limits dust ingress, fitting indoor cabinet environments where forced convection is typical.
Thermal and installation limits govern practical use. The rectifier remains functional up to 80 °C ambient, matching the high-temperature tolerance required near motors or braking resistors, and its climatic rating of 3K3 defines suitability for dry, non-condensing machine rooms. Physical dimensions of 37×25×17 mm permit mounting on dense terminal rows, while a conductor area of 1.5 mm² can be clamped in each terminal. Fastening torque is 0.5 Nm, ensuring reliable connections without damaging the housing. When cabinet temperatures rise to the specified maximum, the continuous output current derates to 1.0 A, maintaining semiconductor junction safety under prolonged load.
Frequently Asked Questions about 02.91.020-CE07:
Q: What rectifier type is used in the 02.91.020-CE07 from the COMBITRON Rectifiers series?
A: This model uses a full wave rectifier design for AC/DC conversion.
Q: What is the rated output current of the 02.91.020-CE07 at 45°C?
A: The rated output current of this rectifier at 45 °C is 2.0 A.
Q: What is the maximum ambient operating temperature for the 02.91.020-CE07?
A: The maximum ambient temperature supported by this unit is 80 °C.
Q: What level of protection does the 02.91.020-CE07 rectifier provide?
A: This rectifier features IP20 protection for basic protection against solid objects.
Q: What voltage rating does the 02.91.020-CE07 support?
A: The voltage rating for this rectifier is CE 275 VAC and UL 240 VAC.
