Cizalla

Thermistor Motor Protection Relays
CM-MSS Single Sensor Circuit
Relay Output
CM-MSS, SPDT output with automatic reset
Connection CM-MSS (1)
CM-MSS (1)

Supply voltage

T1-T2

Sensorcircuit

11-12/14

a F: red LED - fault tripping
b U: green LED - supply voltage
Automatic reset
Connection of several sensors
Monitoring of bimetals
SPDT contact
2 LEDs for status indicationA1-A2

Output contact Normally energized

Ordering Table
Type
CM-MSS (1)

Supply voltage

Part number

24 V AC/DC
220…240 V AC

1SVR 430 800 R 9100
1SVR 430 801 R 1100

CM-MSS, DPDToutput with reset button
Connection CM-MSS (2)
CM-MSS (2)

A1-A2

X1

Sensor circuit

T2

S1-T2
X1-T2

Remote reset
Jumper = no memory

T2

11-12/14
21-22/24
a Reset button
b F:red LED - fault tripping
c U: green LED - supply voltage
Selectable fault memory
Reset button
Remote reset
DPDT contacts
2 LEDs for status indication

Supply voltage

T1-T2

X1

Outputcontacts Normally energized

CM-MSS (2)

1)

M
3

S1

Ordering Table
Type

T1

L1 L2 L3

Supply voltage

Part number

24 V AC/DC
24 V AC
110…130 V AC
220…240 V AC

1SVR 430810 R 9300
1SVR 430 811 R 9300
1SVR 430 811 R 0300
1SVR 430 811 R 1300

1)

not electrically isolated

CM-MSS (3)

CM-MSS, DPDT contacts with reset button and selectable short-circuitmonitoring
Connection CM-MSS (3)
A1-A2

Approvals:
7.56

Supply voltage

11-12/14
21-22/24

Output contacts Normally energized

S1-T2 remote reset = no memory
T1-T2x measuring circuitwithout
short-circuit monitoring
T1-T2 measuring circuit with
short-circuit monitoring
Ordering Table
Type
CM-MSS (3)

Supply voltage

Part number

24 V AC/DC
110…130 V AC
220…240 V AC380…440 V AC

MSSA2B01 12.18.04

a Reset button
b F: red LED - fault tripping
c U: green LED - supply voltage
Selectable fault memory
Memory reset button
Remote reset
Short-circuit monitoring of...