Page 799 - ABB_Motor _Protection_and_Control_catalogue_20221216

ABB MOTOR PROTECTION AND CONTROL 7/9

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Thermistor motor protection relays
Technical data - CM-MSS

Type CM-MSS.x1 CM-MSS.x2 CM-MSS.x3
General data
MTBF on request
Duty time 100 %
Dimensions (W x H x D) product dimensions 22.5 x 85.6 x 103.7 mm (0.89 x 3.37 x 4.08 in)
packaging dimensions 97 x 109 x 30 mm (3.82 x 4.29 x 1.18 in)
Weight see "Ordering details" on page 6
Mounting DIN rail (IEC/EN 60715), snap-on mounting without any tool
Mounting position any
Minimum distance to other units vertical 10 mm (0.394 in) if switching current > 2 A
horizontal 10 mm (0.394 in) if switching current > 2 A
Material of housing UL 94 V-0
Degree of protection housing IP50
terminals IP20
Electrical connection Screw connection technology Easy Connect Technology (push-in)
Connection capacity fine-strand with(out) wire end ferrule 1 x 0.5-2.5 mm² (1 x 18-14 AWG) 2 x 0.5-1.5 mm² (2 x 18-16 AWG)
2 x 0.5-1.5 mm² (2 x 18-16 AWG)
rigid 1 x 0.5-4 mm² (1 x 20-12 AWG) 2 x 0.5-1.5 mm² (2 x 20-16 AWG)
2 x 0.5-2.5 mm² (2 x 20-14 AWG)
Stripping length 8 mm (0.32 in)
Tightening torque 0.6-0.8 Nm (7.08 lb.in) - 07
Environmental data
Ambient temperature ranges operation -25...+60 °C (-13...+140 °F)
storage -40...+85 °C (-40...+185 °F)
Damp heat, cyclic (IEC/EN 60068-2-30) 6 x 24 h cycle, 55 °C, 95 % RH
Climatic class (IEC/EN 60721-3-3) 3K5 (no condensation, no ice formation)
Vibration, sinusoidal 5...13.2 Hz: ±1 mm; 13.2...100 Hz: 0.7 g
Shock Class 2
Isolation data
Rated insulation voltage U i Supply circuit / Measuring circuit (1) 300 V AC (CM-MSS.x2: n/a)
(IEC/EN 60947-1, Supply circuit / Output circuits 300 V AC
IEC/EN 60664-1)
Measuring circuit (1) / Output circuits 300 V AC
Output circuit 1 / Output circuit 2 300 V AC
Rated impulse withstand Supply circuit / Measuring circuit (1) 4 kV (CM-MSS.x2: n/a)
voltage U imp Supply circuit / Output circuits 4 kV
(IEC/EN 60947-1,
IEC/EN 60664-1) Measuring circuit (1) / Output circuits 4 kV
Output circuit 1 / Output circuit 2 4 kV
Basic insulation Supply circuit / Measuring circuit (1) 600 V AC (CM-MSS.x2: n/a)
(IEC/EN 60664-1) Supply circuit / Output circuits 600 V AC
Measuring circuit (1) / Output circuits 600 V AC
Output circuit 1 / Output circuit 2 300 V AC
Protective separation Supply circuit / Measuring circuit (1) yes, up to 300 V
(IEC/EN 61140) Supply circuit / Output circuits yes (CM-MSS.x2: n/a)
Measuring circuit (1) / Output circuits yes
Output circuit 1 / Output circuit 2 no
Pollution degree (IEC/EN 60664-1) 3
Overvoltage category (IEC/EN 60664-1) III