4AM2342-4TN00-0EB0 25VA Transformer 230V/24V DIN, Siemens

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Product Specifications

Brand: Siemens

Part Number: 4AM2342-4TN00-0EB0

Type: Safety Isolating Transformer

Series: SITAS

Rated Power: 25 VA

Primary Voltage: 230 V AC (taps: 218/230/242 V)

Secondary Voltage: 24 V AC

Mounting: DIN Rail

Product Description

The Siemens 4AM2342-4TN00-0EB0 is a 25 VA SITAS safety isolating transformer delivering a stable 24 V AC output from a 230 V AC supply, purpose-built for DIN rail installation in industrial control panels.

Design and Protection

230 V primary with ±5% tap adjustment (218/230/242 V) for supply fluctuation compensation
II0 vector group per EN 61558-2-6 — galvanic isolation with no shielding winding
Class B insulation system (IEC 60085), rated for 40 K temperature rise at 40 °C ambient
cRUus recognized for applications requiring North American compliance

Technical Specifications

Parameter	Value
Rated Power	25 VA
Primary Voltage	230 V AC ±5% (218/230/242 V taps)
Secondary Voltage	24 V AC
Secondary Current	1.04 A
Efficiency	74%
Short-Circuit Voltage	17.6%
Core Type	EI 60/20
Protection Class	IP00
Dimensions (W×H×D)	62 × 79 × 78 mm
Weight	0.82 kg
Certifications	CE, UKCA, cRUus, EAC

Installation

Snap-on DIN rail mounting simplifies panel integration and replacement. Screw and flat tab terminals on both primary and secondary sides accommodate standard wiring practices. The IP00 enclosure rating mandates installation within a cabinet providing suitable ingress protection.