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ControlLogix 24V DC XT Power Supply
SKU: 1756-PBXT
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Short Description
Description:
The 1756-PBXT is a 24V DC power supply module compatible with ControlLogix-XT™ Series B chassis.
It provides up to 75 watts of regulated DC power to the backplane, which supports a wide range of ControlLogix I/O and communication modules.
This unit is distinguished by its XT rating, which incorporates conformal coating and increased temperature tolerance, making it suitable for hard industrial situations such as outdoor installations, high-vibration zones, and corrosive atmospheres.
This module fits in the chassis's leftmost slot and is designed to suit the needs of industries such as oil and gas, mining, utilities, and transportation, where reliability under extreme conditions is vital.
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Electrical Specifications:
Input Voltage: 24V DC.
Maximum Output Power: 75 W @ 0–60 °C.
Backplane Output Currents:
+1.2 V DC: 1.5 A.
+3.3 V DC: 4.0 A.
+5.1 V DC: 8.0 A.
+24 V DC: 1.75 A.
Wire Size: 2.5 mm² (14 AWG) solid or stranded copper.
Insulation Rating: 1.2 mm (3/64 in.) max.
Power Port Category: Category 1.
Environmental Ratings:
Operating Temperature: –25 °C to +70 °C (–13 °F to +158 °F).
Storage Temperature: –40 °C to +85 °C.
Humidity: 5% to 95% non-condensing.
Conformal Coating: Yes — XT-rated for protection against moisture, dust, and corrosive gases.
IEC 61000-4-29 Compliance:
10 ms interruption.
60% dips for 100 ms.
100% dips for 50 ms.
±20% fluctuations for 15 min.
5 s interruptions.
Physical Characteristics:
Mounting Location: Left side of ControlLogix Series B chassis.
Compatible Chassis: ControlLogix-XT Series B.
Lifecycle Status: Active.
Certifications: UL, CE, and others depending on region.