Datasheet

ESG 2.16
Star-delta relay
MFT S21S
• 1 Function, 4 time ranges
• Multivoltage:
24 Vac/dc and 110 ... 240 Vac
• 2 Output controls
Functions
S Star-delta functions
S Star-delta
Time end ranges
Star times 10 s, 30 s, 1 min, 10 min
Change over time 40 ms, 60 ms, 80 ms, 100 ms
Output relay
2 changers potential free
250 Vac / 5 A units close together 8 A units not close together
Connecting voltage
24 Vac/dc ±10% and 110 ... 240 Vac -15% +10%
48 ... 63 Hz, 100% duration of operation, IEC class 1c
Reference data
Selectron
®
MFT Article no.
MFT S21S 41140009
(Order data see chapter 1)
Indicators
Green LED ON: indication of supply voltage
delta-contactor in on-position
(Pins S9-S11)
Green LED flashes: indication of star-time
Yellow LED ON/OFF: indication of star-contactor
(Pins S1-S3)
MFT S21S