ABB Thermistor motor protection relay

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Product details

ABB Stotz S&J Thermistor Motor Protection Relay CM-MSS.22S

Manufacturer: ABB Stotz S&J
Designation: Thermistor Motor Protection Relay 2We, 24VAC/DC
Type: CM-MSS.22S
Removable terminals: no
Number of measurement circuits: 1
Number of contacts as changeover: 2
Connection type auxiliary circuit: screw connection
External reset possible: yes
Error memory possible: no
Rated control supply voltage Us: 24 V
Type of voltage for actuation: AC/DC
Height: 85.6 mm
Width: 22.5 mm
Depth: 103.7 mm

The thermistor motor protection relays CM-MSE and CM-MSS are used for controlling motors with PTC temperature sensors. The temperature sensors are embedded in the windings of the motors and directly measure the motor heating. This allows for immediate monitoring and evaluation of various operating conditions. Depending on the product, ATEX approvals for use in hazardous areas are also available. ABB also offers PTC temperature sensors C011 (according to DIN 44081), which can be embedded in motor windings.

Key specifications

input voltage
24 V
Scope of delivery
Thermistor motor protection relay CM-MSS.22S
Output voltage
24 V
Output current type
AC/DC
Relay type
Thermal relay
Item number
33788037

General information

Manufacturer
ABB
Category
Relays
Manufacturer no.
1371707
Release date
17/5/2023

Relay properties

Relay type
Thermal relay
input voltage
24 V
Output voltage
24 V
Output current type
AC/DC
Number of closers
2 x
Manufacturer Type
CM-MSS.22S

Smart home features

Smart Home
Not compatible

Origin

Country of origin
Germany

Sustainability

Manufacturer commitment
SBTi

Voluntary climate contribution

CO₂-Emission
Climate contribution

Scope of delivery

Scope of delivery
Thermistor motor protection relay CM-MSS.22S

Product dimensions

Length
103.70 mm
Width
22.50 mm
Height
85.60 mm

Legal Notice

Product Safety

14-day cancellation right
30-day right of return
24 Months statutory warranty

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Reviews & Ratings

Statutory warranty score

How often does a product of this brand in the «Relays» category have a defect within the first 24 months?

Source: Galaxus
  • 1.Schneider Electric
    0 %
  • 2.Finder
    0,1 %
  • 3.ABB
    0,2 %
  • 3.Eltako
    0,2 %
  • 5.Eaton
    0,3 %

Statutory warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Galaxus
  • ABB
    Not enough data
  • 1.Hager
    0 days
  • 2.Shelly
    2 days
  • Aqara
    Not enough data
  • Eaton
    Not enough data

Return rate

How often is a product of this brand in the «Relays» category returned?

Source: Galaxus
  • 1.Schalk
    0,4 %
  • 2.ABB
    0,8 %
  • 3.Phoenix Contact
    1,2 %
  • 4.Schneider Electric
    1,5 %
  • 5.Shelly
    1,7 %
Source: Galaxus