Sentec AG, Ringstrasse 39, CH-4106 Therwil, Switzerland, www.sentec.com
HB-010103-e Date of release: 01/2022
6
2.
Instructions for connecting the Isolation Transformer
(REF: RFT100VA-V1 and RFT100VA-V2)
2.1
Classification
The monitor SDM is a Class I ME equipment and IPX1 according to IEC 60601-1. The Isolation Transformer is an
additional MOPP according to IEC 60601-1-11.
2.2
Technical data Isolation Transformer
Type of single-phase transformer:
RFT100VA-V1
RFT100VA-V2
Primary Voltage:
100 – 120 V
230 V ±10%
Primary Current:
104 – 0.90 A
0.47 A
Secondary: Voltage:
100 – 120 V
230 V ± 10%
Secondary Current:
0.98 – 0.84 A
0.44 A
Frequency
50 – 60 Hz
50 – 60 Hz
Output:
100 VA
100 VA
Energy efficiency:
~ 94 %
~ 94 %
Earth leak current
<100
μ
A (127V)
<100
μ
A (254V)
Overheating Protection
120 °C / 248 °F
120 °C / 248 °F
Isolation class
ta 40/B
ta 40/B
Protection class plugs
IP 20
IP 20
Protection class transformer
IP 42
IP 42
Dimensions (LxWxH) ca.
160 x 126 x 73 mm
160 x 126 x 73 mm
Storage temperature
-10 °C to +50 °C /
14 °F to 122 °F
-10 °C to +50 °C /
14 °F to 122 °F
Operating Temperature
5 °C to +40 °C /
41 °F to 104 °F
5 °C to +40 °C /
41 °F to 104 °F
Weight
3.1 kg
3.1 kg
Expected lifetime: Under normal wear and tear, the expected lifetime for the Isolation Transformer is 7 years,
provided the recommended procedures are carried out and the device is not subject to misuse, neglect or
accident.
Operating positioning in normal use: horizontally, on the floor.
