ABB

1SVR740722R1400

Product type: CM-MSS.21P

CM-MSS.21P Therm. motor protec. relay 1n/o+1n/c, 24-240VAC/DC

RoHS Compliant

Description

The CM-MSS.21P 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.21P is short-circuit, as well as interrupted-wire monitored and the relay will be reset automatically after the failure has been removed. This protection relay is certified according to the ATEX directive 94/9/EC. A sealable transparent cover for protection against unauthorized changes is available as accessory. The device offers maintenance free Easy Connect Technology with push-in terminals. CM-MSS.21P
  • Low Voltage Products and Systems
  • Control Products
  • Electronic Relays and Controls
  • Thermistor Motor Protection Relays
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Additional Information
Price: Please send request
Request Lead Time: app. 1 Day
Delivery Time: app. 6-9 Weeks
Estimated delivery time to our warehouse in Berlin
Delivery Terms: FCA Berlin
individually for each client according to INCOM TERMS 2025
Multiples Of: 1
Product Specifications
Product AttributeAttribute Value
Weight0.118 KG / psc.
Commodity number85364900
Country of originDE
Dimensions (WxHxD)97x109x30 mm
EAN code4013614496516
Product groupEA
eclass V11.0 : 27371503
etim 5 EC002568 - Temperature monitor (motor protection)
etim 6 EC002568 - Relay for thermistor protection (PTC)
etim 7 EC002568 - Relay for thermistor protection (PTC)
etim 8 EC002568 - Relay for thermistor protection (PTC)
output 1 n/o + 1 n/c contact
function 1 sensor circuitShort-circuit detectionAuto resetATEX approvedDynamic interrupted wire detectionNon-volatile fault storage
standards CAN/CSA C22.2 No.14EN 50495IEC/EN 63000IEC/EN 60079-7IEC/EN 60947-5-1IEC/EN 60947-8UL 508
rohs status Following EU Directive 2011/65/EU
terminal type Screwless Terminals
cb certificate https://library.abb.com/d/CB_DK-40837-UL
ccc certificate https://library.abb.com/d/CCC_2005010303165479
cqc certificate https://library.abb.com/d/CQC2005010303165479
eac certificate https://library.abb.com/d/EAC_RU_C-DE.ME77.B.01825
atex certificate https://library.abb.com/d/EU Type Examination Certificate_TPS_18_ATEX_044254_0018_X
pollution degree 3
rohs information https://library.abb.com/d/1SVD981007
culus certificate https://library.abb.com/d/cULus508_20140912-E140448
e-number (sweden) 3860721
mounting position 1 ... 6
dnv gl certificate https://library.abb.com/d/DNVGL_TAE00003W4
e-number (finland) 2712398
connecting capacity Flexible 2x 0.5 ... 1.5 mm2Rigid 2x 0.5 ... 1.5 mm2
rated frequency (f) Supply Circuit 15 ... 400 Hz
degree of protection Housing IP50Terminals IP20
mounting on din rail TH35-7.5 (35 x 7.5 mm Mounting Rail) acc. to IEC 60715TH35-15 (35 x 15 mm Mounting Rail) acc. to IEC 60715
overvoltage category III
contact rating ul/csa B300
electrical durability AC-12 100000 cycle
mechanical durability 30000000 cycle
wire stripping length 8 mm
ambient air temperature Operation -25 ... +60 °CStorage -40 ... +85 °C
connecting capacity ul/csa Flexible 2x 18-16 AWGRigid 2x 20-16 AWG
minimum switching capacity 24 V10 mA
object classification code B
rated insulation voltage (ui) Measuring Circuit / Output Circuit 300 VOutput Circuit 1 / Output Circuit 2 300 VSupply Circuit / Measuring Circuit 300 VSupply Circuit / Output Circuit 300 V
declaration of conformity - ce https://library.abb.com/d/1SVD981007
declaration of conformity - ccc https://library.abb.com/d/2020980303000194
declaration of conformity - ukca https://library.abb.com/d/1SVD981007-10
maximum operating voltage ul/csa Output Circuit 300 V AC
short-circuit protective devices Output Circuit NC - F Type Fuses 10 AOutput Circuit NO - F Type Fuses 10 A
data sheet, technical information https://library.abb.com/d/2CDC112218D0201
rated control supply voltage (us) 24 ... 240 V AC/DC
rated operational current ac-12 (ie) (230 V) 4 A
rated operational current ac-15 (ie) (230 V) 3 A
rated operational current dc-12 (ie) (24 V) 4 A
rated operational current dc-13 (ie) (24 V) 2 A
maximum operating altitude permissible Without Derating 2000 m
rated impulse withstand voltage (uimp) Output Circuit 1 / Output Circuit 2 4 kVOutput Circuit 4 kV
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