Power contactors for Ac and DC - Schaltbau - #5

Kind of voltage

Main contacts, Number of, configuration

Nominal voltage U_n

Rated operating voltage U_e

Rated insulation voltage U_i

Rated impulse withstand voltage U_imp

Pollution degree / Overvoltage category

Switching overvoltages at

U_e = 1,800 V

U_e = 3,600 V

Conventional thermal current I_th

Utilization category

Short-circuit making capacity I_cm

Rated operating current I_e (at frequency C2)

DC, U_e = 1,800 V (T2 = 15 ms)

DC, U_e = 3,600 V (T2 = 15 ms)

Rated operating current I_e (at frequency C2) AC, U_e = 1,800 V (f = 16.7 Hz; coscp = 0.8) AC, U_e = 3,600 V (f = 16.7 Hz; coscp = 0.8)

Rated operating current I_e (at frequency C2) AC, U_e = 1,800 V (f = 50 Hz; coscp = 0.8) AC, U_e = 3,600 V (f = 50 Hz; coscp = 0.8)

Short-circuit breaking capacity I_cn (T2 = 15 ms) DC, U_e = 1,200 V DC, U_e = 1,800 V DC, U_e = 3,600 V

Short-circuit breaking capacity I_cn (T2 = 1 ms) DC, U_e = 1,200 V DC, U_e = 1,800 V DC, U_e = 3,600 V

Short-circuit breaking capacity I_cn (coscp = 0.8) AC, U_e = 1,200 V (f = 16.7 / 50 Hz) AC, U_e = 1,800 V (f = 16.7 / 50 Hz) AC, U_e = 3,600 V (f = 16.7 / 50 Hz)

Short-circuit breaking capacity I_cn (cosc = 1) AC, U_e = 1,200 V (f = 16.7 / 50 Hz) AC, U_e = 1,800 V (f = 16.7 / 50 Hz) AC, U_e = 3,600 V (f = 16.7 / 50 Hz)

Rated short-time withstand current I_cw (T < 100 ms)

Critical current range Main contacts

Contact material

Terminals Torque

Auxiliary contacts Number and type Contact material

S826 switching capacity (T = 5 ms) Terminals, Flat tabs

Magnetic drive

Pollution degree / Overvoltage category

Coil voltage Us Coil tolerance

Coil power dissipation at U_s and T_a = 20 °C Typical pull-in voltage at T_a = 20 °C Typical pull-in time at T_a = 20 °C Typical drop-off voltage at T_a = 20 °C Typical drop-off time at T_a = 20 °C Coil suppression Coil terminal

Degree of protection

Mechanical endurance

Vibration / shock (EN 61373)

Mounting position Temperature

Operating temperature / Storage temperature Altitude / humidity (EN 50125-1)

Weight

DC (bidirectional), AC (f < 60 Hz) 1x, 2x, 3x SPST-NO

1,500 V 1,800 V 2,300 V 12 kV

3,000 V 3,600 V

4,800 V

25 kV

PD3/OV3

< 6 kV

< 6 kV

< 11 kV

400 A 400 A

A2 A2

3.5 kA (new contacts) / 5 kA (used contacts)

300 A

200 A

400 A

350 A

300 A

280 A

900 A 700 A 400 A

2,000 A 1,600 A 800 A

2,000 A / 1,200 A 1,600 A / 900 A

900 A / 500 A

2,500 A / 1,500 A 2,100 A / 1,200 A 1,300 A / 800 A

6 kA

700 A

450 A

1,300 A

900 A

1,000 A / 700 A 800 A / 500 A

1,300 A / 1,000 A

1,000_{- -}A_{- /}/ _{- - -}700 A

6 kA none

none

AgSnO₂ M10 20 Nm max.

1x S870 (a₁), 1x S870 (b₀), 2x S826 or optional 4x S826) Silver

16 A at 24 V DC; 13.5 A at 80 V DC; 7 A at 110 V DC Screws M3 / Flat tabs 6.3 x 0.8 mm

PD3/OV2 24 / 36 / 72 / 110 V DC -30 % ... +25 % U_s cold coil: 55 W / warm coil: 40 W

0.6 x Us

120 ms

0.1 x Us 60 ms

Suppressor diode Cage clamp

IP00

> 2 million cycles

Category 1, class B

horizontal / vertical

40 °C ... +70 °C / -40 °C ... +85 °C < 2,000 m above sea level / < 75 % yearly average < 11 kg < 13 kg