CM-MSS.31S
CM-MSS.31S Therm. motor protec. relay 1n/o+1n/c, 24-240VAC/DC
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General Information
Extended Product Type
CM-MSS.31S
Product ID
1SVR730712R1400
EAN
4013614496653
Catalog Description
CM-MSS.31S Therm. motor protec. relay 1n/o+1n/c, 24-240VAC/DC
Long Description
The CM-MSS.31S belongs to the CM-MSS thermistor motor protection relay range. It operates with a rated
control supply voltage of 24 - 240 V AC / DC and has a 1 n/c + 1 n/o (SPDT) output with contacts rated at
250 V / 4 A. It features one sensor circuit to monitor PTC temperature sensors and works according to the
closed-circuit principle. The sensor circuit of the CM-MSS.31S is short-circuit, as well as interrupted-wire
monitored and the relay can be reset automatically, manually or remotely after the failure has been
removed. This protection relay is certified according to the ATEX directive 94/9/EC and is equipped with a
reset / test button. A sealable transparent cover for protection against unauthorized changes is available as
accessory. The device offers screw connection technology with double-chamber cage connection terminals.
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Ordering
EAN
4013614496653
Minimum Order Quantity
1 piece
Customs Tariff Number
85364900
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Dimensions
Product Net Width
22.5 mm
Product Net Height
85.6 mm
Product Net Depth / Length
103.7 mm
Product Net Weight
0.128 kg
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Container Information
Package Level 1 Units
1 piece
Package Level 1 Width
97 mm
Package Level 1 Height
109 mm
Package Level 1 Depth / Length
30 mm
Package Level 1 Gross Weight
0.154 kg
Package Level 1 EAN
4013614496653
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Technical
Function
1 sensor circuit
CM-MSS.31S
2
Short-circuit detection
Non-volatile fault storage
Dynamic interrupted wire detection
Auto, manual or remote reset
ATEX approved
Rated Control Supply Voltage (U s )
24 ... 240 V AC/DC
Output
1 n/o + 1 n/c contact
Terminal Type
Screw Terminals
Rated Operational Current AC-12 (I e )
(230 V) 4 A
Rated Operational Current AC-15 (I e )
(230 V) 3 A
Rated Operational Current DC-12 (I e )
(24 V) 4 A
Rated Operational Current DC-13 (I e )
(24 V) 2 A
Minimum Switching Capacity
24 V
10 mA
Rated Insulation Voltage (U i )
Measuring Circuit / Output Circuit 300 V
Output Circuit 1 / Output Circuit 2 300 V
Supply Circuit / Measuring Circuit 300 V
Supply Circuit / Output Circuit 300 V
Rated Impulse Withstand Voltage (U imp )
Output Circuit 1 / Output Circuit 2 4 kV
Output Circuit 4 kV
Degree of Protection
Housing IP50
Terminals IP20
Overvoltage Category
III
Pollution Degree
3
Short-Circuit Protective Devices
Output Circuit NC - F Type Fuses 10 A
Output Circuit NO - F Type Fuses 10 A
Electrical Durability
AC-12 100000 cycle
Mechanical Durability
30000000 cycle
Connecting Capacity
Flexible 1x 0.5 ... 2.5 mm²
Flexible 2x 0.5 ... 1.5 mm²
Rigid 1x 0.5 ... 4 mm²
Rigid 2x 0.5 ... 2.5 mm²
Tightening Torque
0.6 ... 0.8 N·m
Wire Stripping Length
8 mm
Mounting Position
Any
Mounting on DIN Rail
TH35-15 (35 x 15 mm Mounting Rail) acc. to IEC 60715
TH35-7.5 (35 x 7.5 mm Mounting Rail) acc. to IEC 60715
Standards
CAN/CSA C22.2 No.14
EN 50495
EN 50581
IEC/EN 60079-7
IEC/EN 60947-5-1
IEC/EN 60947-8
UL 508
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Environmental
Ambient Air Temperature
Operation -25 ... +60 °C
Storage -40 ... +85 °C
RoHS Status
Following EU Directive 2011/65/EU
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Technical UL/CSA
Maximum Operating Voltage UL/CSA
Output Circuit 300 V AC
Contact Rating UL/CSA
B300
Connecting Capacity UL/CSA
Flexible 1x 18-14 AWG
CM-MSS.31S
3
Flexible 2x 18-16 AWG
Rigid 1x 20-12 AWG
Rigid 2x 20-14 AWG
Tightening Torque UL/CSA
7.08 in·lb
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Certificates and Declarations (Document Number)
ATEX Certificate
EU Type Examination Certificate_TPS_18_ATEX_044254_0018_X
CB Certificate
CB_DK-40837-UL
CCC Certificate
CCC_2005010303165479
cULus Certificate
cULus508_20140912-E140448
Data Sheet, Technical Information
2CDC112217D0201
Declaration of Conformity - CE
1SVD981007-0002
EAC Certificate
EAC_RU_C-DE.ME77.B.01825
Environmental Information
1SAA981024-2401
GL Certificate
GL_13759-14HH
Instructions and Manuals
1SVC730660M0000
Instructions and Manuals (Part 2)
1SVC730640M9000
RMRS Certificate
RMRS_1740020250
RoHS Information
1SVD981007-0002
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Classifications
Object Classification Code
B
ETIM 5
EC002568 - Temperature monitor (motor protection)
ETIM 6
EC002568 - Relay for thermistor protection (PTC)
ETIM 7
EC002568 - Relay for thermistor protection (PTC)
eClass
7.0 27371503
E-Number (Sweden)
3860728
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Categories
Low Voltage Products and Systems → Control Products → Electronic Relays and Controls → Thermistor Motor Protection Relays
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