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Technical specifications for APBU-44C
Manufacturer:
ABB
Part Number:
APBU-44C
Product Family:
ABB Advant OCS and Advant-800xA
Internal protection:
Microfuse, 1 A, slow
Operating voltage:
24 VDC ±10%
Current consumption:
200 mA typical, 250 mA max.
Terminal block:
4-pin detachable screw terminal block.
Maximum wire size:
2.5 mm2.
Operating temperature:
+0...+50 °C (free air circulation)
Mounting:
On 7.5 × 35 mm mounting rail (EN50022), vertical or horizontal
Protocol:
PPCS, 8 Mbit/s
Transmitter current:
30 mA
Weight:
0.94 kg
Estimated shipping dimensions:
27.5x10.5x7cm
Tariff Code:
8537101190
Country of origin:
Sweden
Place of shipment:
Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.
The ABB APBU-44C is a DIN rail-mountable branching and datalogger unit designed for the ACS800 series multidrive systems. It allows multiple inverter or supply modules to be connected in parallel while providing real-time data logging for the module power stages to aid in fault tracing and analysis.
Equipped with redundant 24 V DC inputs, microfuse protection, and a 4-pin detachable screw terminal block, the unit ensures reliable power and connectivity to the modules. The APBU‑44C supports up to four modules, while the APBU‑44CE version can handle up to twelve, making it suitable for larger systems.
Communication between the unit, modules, and the RDCU control unit is handled via an 8 Mbit/s PPCS fibre-optic protocol, ensuring fast and accurate data transfer. Its compact DIN rail design allows flexible mounting both vertically and horizontally
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