Automatic reserve switching controller with regulation /+contact 2x1P 8A 250V/ SZR-2R

Dane techniczne

Type of control voltage

AC

Type of electrical connection

Screw connection

Rated control voltage Us for AC 50 Hz [V] from

250

Rated control voltage Us for AC 50 Hz [V] up to

400

Rated control voltage Us for AC 60 Hz [V] from

250

Rated control voltage Us for AC 60 Hz [V] to

400

Number of switching contacts

2

Number of NO contacts

0

Number of NC contacts

0

Width [mm]

70

With detachable terminals

No

1-phase undervoltage control

No

3-phase undervoltage control

Yes

1-phase overvoltage control

No

3-phase overvoltage control

No

Hysteresis function, 1-phase

No

Hysteresis function, 3-phase

No

Subvoltage control for direct current

No

Overvoltage control for direct current

No

Hysteresis function for direct current

No

Type of voltage to be measured

AC

Maximum permitted time delay for power supply [s]

10

Minimum adjustable time delay in the event of a power outage [s]

0

Maximum allowed time delay in the event of a power outage [s]

3

Voltage measuring range 1 [V]

175