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4AP2742-8BC40-0HA0 Siemens

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Original price $0.00 - Original price $1,552.50
Original price
$1,552.50
$0.00 - $1,552.50
Current price $1,552.50
Surplus - Tested (With Warranty)
New / Open-Box Surplus
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Product Details

Description · Specifications · Product Overview

Specifications provided for reference. Verify critical details against official manufacturer documentation before installation.

Product Overview

The product 4AP2742-8BC40-0HA0 is a Siemens SITAS control/isolation transformer in the 4AP27 series. It is designed to step down three-phase supply for control circuits within industrial automation panels. Typically used to isolate and supply safe low-voltage control power in assembly automation, motor control centers, or process control panels. It supports three-phase input and provides secondary isolation, serving as part of Siemens SITAS transformer family.

Best Suited For

  • Three-phase control circuit isolation
  • Panel-mounted control power supply
  • Motor control centers
  • Process automation systems
Phases
bold "3"
Apparent power (rated)
bold "2.5 kVA"
Efficiency
bold "0.94"
Insulation class / Temp rise
bold "Class B / 40 K"
IP rating
bold "IP00"

Technical Specifications

I/O & Electrical

Rated apparent power
2 500 VA
Efficiency
0.94
Relative short-circuit voltage
3.9 %
Input frequency
50…60 Hz
Phase number (input & output)
3

Communication & Power

Primary voltages (multiple rated)
Y 500-440-380 ± 20 V / D 289-254-220 ± 11 V
Secondary voltages
Y 400 V / D 230 V

Physical & Environmental

Insulation class / Temperature rise
Class B / 40 K
Ingress protection
IP00
Connection method
screw / flat-type connection
Mounting
screws
Vector group / Shielding winding
IIIIII0 / 0

Certifications

Meets EN 61558-2-1, -2-2, -2-4; UL/CSA-recognized.

1-Year Warranty

Every tested unit is backed by our free 1-year PLC Department warranty, direct from us.

Fast Shipping

Free ground shipping. Orders by 1 PM CST ship same-day, with overnight available.

USA Stock

Sourced and shipped from Texas, USA. Never anonymous overseas marketplace stock.

30-Day Returns

Hassle-free RMA. If the part is not right for your application, send it back within 30 days.

Reseller Options

Resellers welcome. Reach out for volume pricing and we will get you set up.

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Rockwell Automation documentation

Access official manuals, datasheets, and lifecycle information for this part directly from Rockwell Automation.

Visit RockwellAutomation.com

Must Read: Disclaimer

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