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Rectangular industrial power supply module, silver metal housing, front label with model 1756-PB72

Allen

Allen 1756-PB72 ControlLogix 24VDC 75W power supply

SKU CH-2C8T-9NP3W MPN 1756-PB72

Delivers 75 watts at 60 Celsius from a 24 volt DC input with an 18 to 32 volt range and 30 ampere peak inrush

  • Delivers 75 W at 60 °C ambient temperature
  • Accepts 18 to 32 V DC input range
  • Limits inrush current to 30 A peak
  • Draws 95 W maximum from the source
  • Designed for ControlLogix 1756 chassis integration

24 V DC ControlLogix power supply

The Allen 1756-PB72 is a new ControlLogix power supply that converts a 24 V DC source into regulated back-plane power. It accepts an input range of 18 to 32 V DC and delivers 75 W at 60 °C while drawing 95 W from the source. Maximum inrush current reaches 30 A during start-up.

Industrial users needing 75 W at 24 V DC

This unit suits ControlLogix chassis that require a 75 W, 24 V DC supply operating up to 60 °C. It is not for systems that need AC input, higher wattage, a different voltage rail, or a lower inrush current than 30 A.

75 W output at 60 °C

The decisive specification is the 75 W continuous output rating at 60 °C. If the chassis load exceeds this figure or the ambient temperature goes higher, a different supply must be chosen.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $570.99
Pricier than about 90% of the 10,869 comparable items (median $142.99).

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Specifications

No published specifications for this item yet.

Questions about this item

How do I decide between the 1756-PB72 and other ControlLogix power supplies?

The 1756-PB72 delivers 75 W at 60 °C from a 24 V DC input that accepts 18-32 V. Compare that output rating with the wattage your chassis and modules require.

What does the 75 W rating mean once the unit is installed in a chassis?

It guarantees 75 W of 24 V DC power for I/O and processor modules at up to 60 °C ambient, with 95 W drawn from the source and a 30 A inrush peak at turn-on.

What does the 18-32 V DC input range cap in practice?

The supply regulates a steady 75 W output across the full 18-32 V window, so voltage sag or rise within that band will not reduce available power to the backplane.

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