Page 92 - EPR Catalog 2015

Voltage monitoring relays, single-phase
Technical data - Voltage monitoring relays

Type CM-ESS.1 CM-ESS.2 CM-ESS.M CM-EFS.2
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)
2 net weight depending on device, see ordering details
Weight gross weight depending on device, see ordering details
DIN rail (IEC/EN 60715), snap-on mounting without any tool
Mounting any
Mounting position vertical / horizontal not necessary / not necessary
Minimum distance to other units UL 94 V-0
Material of housing housing / terminals IP50 / IP20
Degree of protection
Environmental data

Ambient temperature ranges operation -20...+60 °C
storage -40...+85 °C
Damp heat, cyclic (IEC/EN 60068-2-30) 55 °C, 6 cycle
Vibration, sinusoidal (IEC/EN 60255-21-1) Class 2
Shock (IEC/EN 60255-21-2) Class 2
Electrical connection

Wire size Screw connection technology Easy Connect Technology (Push-in)
fine-strand with(out) wire end ferrule 1 x 0.5-2.5 mm2 (1 x 20-14 AWG) 2 x 0.5-1.5 mm2 (2 x 20-16 AWG)
Stripping length 2 x 0.5-1.5 mm2 (2 x 20-16 AWG)
Tightening torque 2 x 0.5-1.5 mm2 (2 x 20-16 AWG)
Isolation data rigid 1 x 0.5-4 mm2 (1 x 20-12 AWG) -

2 x 0.5-2.5 mm2 (2 x 20-14 AWG)

8 mm (0.32 in)

0.6-0.8 Nm (5.31-7.08 lb.in)

Rated insulation voltage supply / measuring 600 V

(VDE 0110, IEC 60947-1, IEC/EN circuit / output

60255-5) supply / output 1/2 250 V

Rated impulse withstand voltage Uimp supply / measuring 6 kV 1.2/50 μs
(IEC/EN 60947-1, IEC/EN 60255-5) circuit / output

supply / output 1/2 4 kV 1.2/50 μs

Pollution degree (VDE 0110, IEC 664, IEC/EN 60255-5) 3

Overvoltage category (VDE 0110, IEC 664, IEC/EN 60255-5) III

Standards

Product standard IEC/EN 60255-1, IEC/EN 60255-27, EN 50178

Low Voltage Directive 2006/95/EC

EMC Directive 2004/108/EC

Electromagnetic compatibility

Interference immunity to IEC/EN 61000-6-2
electrostatic discharge IEC/EN 61000-4-2 Level 3
radiated, radio-frequency, IEC/EN 61000-4-3 Level 3
electromagnetic field

electrical fast transient / burst IEC/EN 61000-4-4 Level 3

surge IEC/EN 61000-4-5 Level 3

conducted disturbances, induced by IEC/EN 61000-4-6 Level 3

radio-frequency fields

Interference emission IEC/EN 61000-6-3

high-frequency radiated IEC/CISPR 22; EN 55022 Class B

high-frequency conducted IEC/CISPR 22; EN 55022 Class B

1) Open-circuit principle: output relay energizes if the measured value exceeds d / falls below c the adjusted threshold value
Closed-circuit principle: output relay de-energizes if measured value exeeds d / falls below c the adjusted threshold value

2/25 ABB | Catalog Electronic Products and Relays 2015 | 2CDC 110 004 C0210