The Allen Bradley 1756-PB30XT is a 1756 ControlLogix-XT DC Power Supply. ControlLogix-XT products are clubbed with FlexLogix I/O XT products to provide a complete control and communication system that can be used in extreme and harsh environments with a temperature range from -4-158 ï‚°F. A ControlLogix-XT system used independently can withstand temperatures from -13-158 ï‚°F.
The 1756-PB30XT module has an input voltage range of 18 – 32V DC with 24V DC nominal input voltage. It has a maximum input power of 50W and maximum output power of 30 W at -25-70 °C (-13-158 °F). It has a current capacity of 1.5A at 1.2V DC, 2A at 3.3V DC, 6A at 5.1V DC and of 1.25A at 24V DC. It has dimensions of 5.51 x 3.07 x 5.71 in. and weighs 1.7 lbs. It has 250V (continuous) isolation voltage and maximum inrush current of 30A. It is installed in the left slot of the 1756 ControlLogix chassis with open or no enclosure. It is compatible with the 1756-A4LXT/B, 1756-A5XT/B, 1756-A7LXT/B, 1756-A7XT/B, 1756-A7XT/C and the 1756-A10XT/C chassis. For wiring, 2.5 〖mm〗^2 (14 AWG) stranded or solid copper wire rated at 194 °F or greater with maximum insulation of 1.2 mm (3/64 in.) is used.
The 1756-PB30XT power supply is intended for use in an industrial environment with a 30g operating shock and a 5 – 95% noncondensing relative humidity.
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| Manufacturer | Rockwell Automation |
| Brand | Allen Bradley |
| Part Number/Catalog No. | 1756-PB30XT |
| Series | ControlLogix |
| Module Type | ControlLogix-XT Power Supply |
| Nom Input Voltage | 24 Volts DC |
| Input Voltage Range | 18-32 Volts DC |
| Isolation Voltage | 250 Volts Continuous |
| Max Inrush Current | 20 Amperes |
| Current Capacity | 1.5 A at 1.2 V, 4 A at 3.3 V, 8 A at 5.1 V, 1.75 at 24 V |
| Location | 1756 Chassis Left Side |
| Dimensions | 5.51 x 4.41 x 5.71 in (14.0 x 11.2 x 14.5 cm) |
| Weight | 2.10 lbs (0.95 kg) |