Page 189 - Motor_protection_and_control_Manual_motor_starters_ contactors

Auxiliary contact blocks

Technical data

Contact utilization characteristics according to IEC
Types 1-pole CA3
Standards IEC 60947-5-1 and EN 60947-5-1
Rated insulation voltage Ui acc. to IEC 60947-5-1 690 V
Rated impulse withstand voltage Uimp 6 kV
Rated operational voltage Ue max. 690 V
Conventional thermal current Ith - θ ≤ 40 °C 10 A
Ie / Rated operational current AC-15
acc. to IEC 60947-5-1 24-127 V 50/60 Hz 6 A
220-240 V 50/60 Hz 4 A
400-440 V 50/60 Hz 3 A
500 V 50/60 Hz 2 A
690 V 50/60 Hz 2 A 4
Making capacity 10 x Ie AC-15 acc. to IEC 60947-5-1
Breaking capacity 10 x Ie AC-15 acc. to IEC 60947-5-1
Ie / Rated operational current DC-13 24 V DC 6 A / 144 W
acc. to IEC 60947-5-1 48 V DC 2.8 A / 134 W
72 V DC 1 A / 72 W
110 V DC 0.55 A / 60 W
125 V DC 0.55 A / 69 W
220 V DC 0.27 A / 60 W
250 V DC 0.27 A / 68 W
Short-circuit protection device gG type fuse 10 A
Rated short-time withstand current Icw for 1.0 s 100 A
θ = 40 °C for 0.1 s 140 A
Minimum switching capacity 12 V / 3 mA
with failure rate acc. to IEC 60947-5-4 10 -7
Power dissipation per pole at 6 A 0.1 W
Mechanical durability
Number of operating cycles 10 millions operating cycles
Max. switching frequency 3600 cycles/h
Max. electrical switching frequency AC-15 1200 cycles/h
DC-13 900 cycles/h
Mechanically linked contacts acc. to annex L of IEC 60947-5-1 Additional N.O. or N.C. auxiliary contacts (CA3) are mechanically linked contacts
Mirror contacts acc. to annex F of IEC 60947-4-1 Additional N.C. auxiliary contacts (CA3) are mirror contacts
Contact utilization characteristics according to UL / CSA
Standards UL 508, CSA C22.2 N°14
Max. operational voltage 690 V AC, 250 V DC
Pilot duty A600, Q300
AC thermal rated current 10 A
AC maximum volt-ampere making 7200 VA
AC maximum volt-ampere breaking 720 VA
DC thermal rated current 2.5 A
DC maximum volt-ampere making-breaking 69 VA

Connecting characteristics
Connection capacity (min. ... max.)
Rigid solid 1 x 0.75...2.5 mm²
2 x 0.75...2.5 mm²
Flexible with non insulated ferrule 1 x 0.75...2.5 mm²
2 x 0.75...2.5 mm²
Flexible with insulated ferrule 1 x 0.75...2.5 mm²
2 x 0.75...1.5 mm²
Lugs L ≤ 7.7 mm
l L
l > 3.2 mm
Connection capacity acc. to UL / CSA 1 or 2 x AWG 18...14
Stripping length 9 mm
Tightening torque Recommended 1 Nm / 9 Ib.in
Max. 1.20 Nm
Degree of protection
acc. to IEC 60947-1 / EN 60947-1 and IEC 60529 / EN 60529 IP20
Screw terminals Delivered in open position, screws of unused terminals must be tightened
1SBC101493S0201
All terminals M3
Screwdriver type Flat Ø 5.5 / Pozidriv 2

ABB | 4/69