Product Specifications
Brand: Siemens
Part Number: 4AM6442-4TT10-0FA0
Product Type: Isolation Transformer (1:1)
Series: SITAS 4AM6442
Rated Power: 2,000 VA
Primary Voltage: 230 V (taps: 218/230/242 V)
Secondary Voltage: 230 V
Secondary Current: 8.70 A
Short-Time Power (S6): 9,700 VA
Frequency: 50/60 Hz
Mounting: Screw Mount
Product Description
The SITAS 4AM6442-4TT10-0FA0 is a 2000VA 1:1 single-phase isolation transformer — the highest power rating in the SITAS transformer line — providing full galvanic separation between 230V mains and 230V load at 8.70A. Purpose-built for noise suppression, transient isolation, and ground-loop elimination, it protects sensitive control and measurement systems in the most demanding industrial environments.
Electrical Performance
Rated at 2,000VA continuous with a short-time power rating of 9,700VA (S6 duty) — nearly 5x headroom. The EI 174/102 laminated core achieves approximately 96 percent efficiency. Primary taps at 218/230/242V accommodate supply voltage variations. Full galvanic isolation eliminates common-mode noise and protects downstream electronics from mains-borne transients.
Mechanical Design
Substantial 158x176x164mm IP00 open-frame construction for enclosure installation. Screw terminals on a screw-mount chassis. Class B (130 C) insulation system, rated for 40 C ambient. Weighs approximately 25 kg.
Application
Suited for large control panels requiring clean, isolated 230V power for PLC racks, multi-drive cabinets, HMI clusters, and sensitive measurement systems. Also used in test benches, laboratory power distribution, and anywhere ground-loop elimination at higher power levels is critical for system reliability.
Decision Parameters
| Parameter | Value |
|---|---|
| Rated Power | 2,000 VA |
| Primary Voltage | 230 V (taps: 218/230/242 V) |
| Secondary Voltage | 230 V |
| Secondary Current | 8.70 A |
| Short-Time Power (S6) | 9,700 VA |
| Efficiency | ~96% |
| Insulation Class | B (130 C) |
| Protection Class | IP00 |
| Dimensions (WxHxD) | 158 x 176 x 164 mm |
| Mounting | Screw Mount |
Resources & Documentation
Siemens 4AM6442-4TT10 230V 1:1 2000VA Single-Phase Isolation Transformer
Product Specifications
Brand: Siemens
Part Number: 4AM6442-4TT10-0FA0
Product Type: Isolation Transformer (1:1)
Series: SITAS 4AM6442
Rated Power: 2,000 VA
Primary Voltage: 230 V (taps: 218/230/242 V)
Secondary Voltage: 230 V
Secondary Current: 8.70 A
Short-Time Power (S6): 9,700 VA
Frequency: 50/60 Hz
Mounting: Screw Mount
