COMBITRON 91 rectifiers are half-wave or bridge rectifiers that convert AC power to DC power and are used with all types of electromagnetic DC brakes and clutches.
KEB's UL- and CE-certified rectifiers feature interference suppression to limit the interference to class A, in accordance with EN 55011.
COMBITRON offers a wide range of half-wave and full-wave rectifiers intended for worldwide use. KEB offers rectifiers with ratings up to 720VAC input.
UL Listed
The rectifiers have a robust design and are intended for demanding industrial applications. They contain internal MOVs which protect against voltage peaks of the switching contacts.
The rectifiers are able to switch on either the AC or DC side. DC switching allows for faster response times.
KEB’s rectifIers are extremely compact and can usually be mounted directly in the motor terminal box.
Also, DIN rail mount versions exist for easy panel integration.
They offer a reduced holding voltage option. These switches can be implemented to improve reaction time and reduce power consumption.
KEB offers overexcitation switches which provide a brake or clutch with higher than rated voltage for a small period (~350ms) of time. This shortens the actuation time of the device.
• Voltage Range: Up to 720VAC
• Input Frequency: 50 or 60Hz
• Max. Current Rating: Varies, check individual unit
• Type: Half-Wave, Full-Wave, & Overexcitation
• AC-side Switching: Yes
• DC-side Switching: Yes, on most models
• Housing material: Plastic
• Terminal type: Screw
• cUL and CE
• UL File #: E308765
• Rated Operating Temperature: Up to 45° C
• Maximum ambient temperature: 80° C (with derate)
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