Page 41 - EPR Catalog 2015

CT-E range
Technical data

CT-E (relays) CT-E (solid-state)

AC rating (UL 508) Utilization category (Control Circuit Rating Code) B 300 - 1

max. rated operational voltage 300 V AC -

Maximum continuous thermal current at B300 5 A -

max. making/breaking apparent power at B300 3600 VA / 360 VA -

Mechanical lifetime 30 x 106 switching cycles -

Electrical lifetime at AC-12, 230 V, 4 A 0.1 x 106 switching cycles -

Max. fuse rating to achieve short-circuit n/c contact 10 A fast-acting, CT-ARE: 5 A -

protection (IEC/EN 60947-5-1) n/o contact 10 A fast-acting, CT-ARE: 5 A -

Minimum load current - CT-MKE: 20 mA

CT-EKE, CT-AKE: 10 mA

Maximum load current - CT-MKE: 0.8 A at Ta = 20 °C
CT-EKE, CT-AKE: 0.7 A

Load current reduction / Derating - 10 mA/°C

Maximum surge current - CT-MKE: ≤ 20 A for t ≤ 20 ms

CT-EKE, CT-AKE: ≤ 15 A

Voltage drop in connected state - ≤3V

Cable length between solid-state timer at 24 V AC - 220 m / 22 nF

and connected load at 50 Hz and a at 42 V AC - 100 m / 10 nF
cable capacity of 100 pF/m : at 60 V AC - 65 m / 6.5 nF

at 110 V AC - 50 m / 5 nF

at 240 V AC - 22 m / 2.2 nF

General data

Duty time 100%

Dimensions (W x H x D) 22.5 x 78 x 78.5 mm (0.886 x 3.07 x 3.09 in)

Weight approx. 80 g (0.176 lb)

Mounting DIN rail (IEC/EN 60715)

Mounting position any

Minimum distance to other units horizontal / vertical no / no

Degree of protection housing / terminals IP50 / IP20

Electrical connection

Wire size fine-strand with wire end ferrule 2 x 0.75-1.5 mm2 (2 x 18-16 AWG)

fine-strand without wire end ferrule 2 x 1-1.5 mm2 (2 x 18-16 AWG)

rigid 2 x 0.75-1.5 mm2 (2 x 18-16 AWG)

Stripping length 10 mm (0.39 in)

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

Environmental data operation / storage -20...+60 °C / -40...+85 °C
IEC/EN 60068-2-30 24 h cycle, 55 °C, 93 % rel., 96 h
Ambient temperature ranges
Damp heat IEC/EN 60068-2-6 6 g
Operational reliability IEC/EN 60068-2-6 10 g
Mechanical resistance

Isolation data IEC/EN 60664-1 type test: 4 kV; 1.2/50 μs -
Rated impulse withstand voltage Uimp
between all isolated circuits IEC/EN 60664-1 3 -
Pollution category IEC/EN 60664-1 III
Overvoltage category -
Power-frequency withstand voltage (test routine test: 2.5 kV; 50 Hz; 1 s -
voltage) between all isolated circuits type test: 2.5 kV; 50 Hz; 60 s -
Basic insulation (IEC/EN 61140) input circuit / output circuit 300 V -
Rated insulation voltage Ui input circuit / output circuit 300 V (supply up to 240 V)
500 V (supply up to 440 V)
Test voltage between all isolated circuits routine test 2.5 kV, 50 Hz, 1 s

Standards IEC 61812-1, EN 61812-1 + A11, DIN VDE 0435 Teil 2021
2006/95/EC
Product standard 2004/108/EC
Low Voltage Directive
EMC Directive IEC/EN 61000-6-2
IEC/EN 61000-4-2 Level 3 (6 kV / 8 kV)
Electromagnetic compatibility IEC/EN 61000-4-3 Level 3 (10 V/m)

Interference immunity to IEC/EN 61000-4-4 Level 3 (2 kV / 5 kHz)
electrostatic discharge IEC/EN 61000-4-5 Level 4 (2 kV L-L)
radiated, radio-frequency IEC/EN 61000-4-6 Level 3 (10 V)
electromagnetic field
electrical fast transient / burst IEC/EN 61000-6-4
surge
conducted disturbances, induced by radio-
frequency fields

Interference emission

„Approvals and marks“ see page 1/4.

2CDC 110 004 C0210 | Catalog Electronic Products and Relays 2015 | ABB 1/30