Page 287 - contactors_motor_protection_for_rolling_stock_application

CA4, CAT4, CAL4 auxiliary contact blocks

for AF09(Z)B..RT ... AF38(Z)B..RT
Connection with ring tongue ferrules

Contact utilization characteristics according to IEC
Types 2-pole CA4, 4-pole CA4, 2-pole CAT4, 2-pole CAL4
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. 24 ... 690 V
Conventional thermal current Ith - θ ≤ 40 °C 16 A
Rated frequency (without derating) 50 / 60 Hz
Ie / Rated operational current AC-15 3
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
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
acc. to IEC 60947-5-1 24 V DC 6 A / 144 W
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
400 V DC 0.15 A / 60 W
500 V DC 0.13 A / 65 W
600 V DC 0.1 A / 60 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 (CA4, CAL4, CAT4) are mechanically linked contacts.
Mirror contacts acc. to annex F of IEC 60947-4-1 Additional N.C. auxiliary contacts (CA4, CAL4, CAT4) are mirror contacts.
Contact utilization characteristics according to UL / CSA
Types 2-pole CA4, 4-pole CA4, 2-pole CAT4, 2-pole CAL4
Standards UL 508, CSA C22.2 N°14
Max. operational voltage 600 V AC, 600 V DC
Pilot duty A600, Q600
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
Types 2-pole CA4, 4-pole CA4, 2-pole CAT4, 2-pole CAL4
Connection capacity (min. ... max.)
Main conductors (poles)
Flexible with insulated ferrule 1 or 2 x 0.75 ... 2.5 mm²
Ø mm > 3.5 mm
E max
L mm < 8 mm
P P mm < 4.1 mm
L E mm < 2.9 mm
Connection capacity acc. to UL/CSA 1 or 2 x AWG 18…14
Tightening torque 1.2 N.m / 11 Ib.in
Degree of protection
acc. to IEC 60947-1 / EN 60947-1 and IEC 60529 / EN 60529 IP20
Screw terminals Delivered in open position (1)
All terminals M3.5
Screwdriver type Flat Ø 5.5 / Pozidriv 2 1SBC101817S0201 - Rev. A
(1) Screws of unused terminals must be tightened with a max. tightening torque of 0.5 Nm / 4.58 lb.in.

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