PR Electronics 2240 Transformer

Features

  • Double-isolated transformer
  • 3.75 kVAC isolation voltage
  • 30 VA ring core transformer
  • Thermal overload protection
  • 12 or 24 VAC secondary voltage
  • Standard 11-pole relay socket
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PR Electronics 2240 Transformer is designed to provide reliable AC supply voltages for various components. With options for standard primary and secondary voltages, it is suitable for a wide range of applications, including the supply of stabilized DC power supplies.

Advanced Features

  • Parallel Operation: Two transformers can be paralleled to achieve higher output power, enhancing flexibility and scalability.

Applications

  • AC Supply: Provides AC supply voltage (12 or 24 VAC) for components requiring these inputs.
  • DC Power Supply: Suitable for use with stabilized DC power supplies, such as the PR Electronics 2229.
  • Safety Applications: Ideal for PELV/SELV applications, ensuring safety in low voltage environments.

Technical Characteristics

  • Primary Input Voltages: Available with standard primary input voltages of 115 or 230 VAC.
  • Secondary Voltages: Standard secondary voltages of 12 or 24 VAC.
  • High Isolation Voltage: Ring core transformer with a separate 3.75 kVAC isolation voltage between primary and secondary windings, ensuring robust isolation and safety.
  • Thermal Fuse: Fitted with a thermal fuse for added protection.
  • Retention Clip: Supplied with a retention clip for safe attachment to the relay socket.

Mounting / Installation

  • Standard 11-Pole Socket: Designed for mounting on a standard 11-pole socket, adaptable for DIN rail or plate use with PR’s 7023 adaptor and 7024 mounting keying.

PR Electronics 2240 Transformer is a reliable and efficient solution for providing AC supply voltages, suitable for various industrial applications, including the supply of stabilized DC power. Its high isolation voltage, thermal protection, and flexible mounting options make it an ideal choice for ensuring safe and stable power delivery.

Specification

ENVIRONMENTAL CONDITIONS
OPERATING TEMPERATURE -20°C TO +60°C
RELATIVE HUMIDITY < 95% RH (NON-COND.)
PROTECTION DEGREE IP50
MECHANICAL SPECIFICATIONS
DIMENSIONS (HXWXD) 80.5 X 35.5 X 84.5 MM (D IS WITHOUT PINS)
WEIGHT APPROX. 600 G
COMMON SPECIFICATIONS
Isolation voltage
ISOLATION VOLTAGE, TEST / WORKING 3.75 KVAC / 250 VAC
POWER DERATING TAMB. > 25°C, 0.4 VA/°C
EMC IMMUNITY INFLUENCE < ±0.5% OF SPAN
INPUT SPECIFICATIONS
PRIMARY VOLTAGE 207…253 VAC 97.75…132.25 VAC
FREQUENCY 50…60 HZ
OUTPUT SPECIFICATIONS
SECONDARY VOLTAGE (LOADED) 24 VAC / 1.25 A 12 VAC / 2.50 A
SECONDARY VOLTAGE (UNLOADED) 28 VAC 14 VAC
OF SPAN = OF THE PRESENTLY SELECTED RANGE
OBSERVED AUTHORITY REQUIREMENTS
EMC 2014/30/EU
LVD 2014/35/EU
ROHS 2011/65/EU
EAC TR-CU 020/2011

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