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Transfer Switches

ABB OXB250E3S4QT AUTOMATIC TRANSFER SWITCH OXB250E3S4QT

Product Code: OXB250E3S4QT

The all-new TruONE is the worlds first true purpose-built automatic transfer switch, engineered to incorporate switch and controller in one seamless unit. Performance tested beyond standard requirements, TruONE stands ready to ensure the steady delivery of critical power at all times. Its self-contained design reduces the number of wires and connections, which speeds installation and minimizes the potential for connection failures to ensure best-in-class reliability. Its predictive maintenance and modular components reduce downtime and service costs. And its advanced connectivity is ready for the future. Every TruONE features a wide voltage range from 200 to 480 VAC (with +/-20% tolerance), reducing the need to stock multiple SKUs, reducing inventory and saving space in the warehouse. Main characteristics of this particular TruONE type: Open style ATS, delayed transition type I-O-II operation, Level 4 controller (Touch)

Technical Specifications

Integrated Motor Drive Yes
No. of Switches 1
Position of Line Terminals Supplies on Top - Load on Bottom
Transition Type Delayed
Brand ABB
Degree of Protection IP20
Dimensions (mm) 375W x 305H x 183D
Indication I-O-II
Maximum Operational Voltage AC (V) 480
Mounting Type Front Mount 4-hole
NEMA Degree of Protection 1
No. of Poles 4
Pollution Degree 3
Rated Current (A) 250
Rated Impulse Withstand Voltage (kV) 8
Rated Insulation Voltage (V) 1000
Rated Operational Voltage AC (V) 200-480
Rated Short-Time Withstand Current - Icw (kA) 18
Suitable For Distribution Board Installation
Terminal Type Bolt
Type Main Switch
Weight (kg) 16.5

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