ABB SACE Tmax XT2 User Manual page 171

Output Ekip Synchrocheck has an output (K S1 - K S2) used as synchronism contact.
The output is insulated from the unit and the input and has the following electrical characteristics:
Characteristics
Maximum switchable voltage
Switching power
Dielectric strength between open contacts
Dielectric strength between each contact and coil
Interface The module has two signalling LEDS:
Figure 44
LED
Power
O SC
1SDH002031A1002 ECN000092998
NOTE: data on a resistive load
Description
Reports ON status and correct communication with Ekip Touch:

off: module off

fixed or flashing light synchronized on power LED of Ekip Touch: module
ON and communication with Trip unit present

flashing not synchronized with power LED of Ekip Touch (two fast flashes
per second): module ON and communication with Trip unit absent
Indicate status of the contact of each output:

off: open contact

on: closed contact
NOTE: The LED shows output status: depending on the rest
configuration of the contact (normally open or closed), it can indicate
synchronization OK or Not OK
Rev. B
(NOTE)
Maximum limit
150 VDC / 250 VAC.
2 A @ 30 VDC, 0.8 A @ 50 VDC, 0.2 A
@ 150 VDC, 4A @ 250 VAC
1000 VAC (1 minute @ 50 Hz)
1000 VAC (1 minute @ 50 Hz)
SACE Tmax XT2 – XT4 | 171