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The RVb digital voltage and current relay is designed to automatically disconnect the load connected through it if the voltage or current value in the power grid exceeds the permissible limits. The device is controlled by a microcontroller that analyzes the voltage and current in the power grid and displays the current operating values on digital indicators. Load switching is carried out by an electromagnetic relay. The permissible limits for voltage and current disconnection and the turn-on delay time are set by the user using buttons. Values are saved in non-volatile memory.
1-phase
Yes
3-phase
No
1-phase hysteresis monitoring possible
Yes
1-phase undervoltage monitoring possible
Yes
3-phase hysteresis monitoring possible
No
3-phase undervoltage monitoring possible
No
Height
84 мм
Height
84 мм
Depth
65 мм
Voltage measurement range 1 at
210 В
Voltage measurement range 1 from
140...210 В
Voltage measuring range 2 to
300 В
Voltage measuring range 2 from
240...300 В
Number of normally closed (NC) contacts
0
Number of normally open (NO) contacts
1
Number of switching contacts
0
Maximum permissible delay time
1 с
Maximum permissible trip delay time without holding
300 с
Minimum adjustable delay time
1 с
Minimum adjustable response delay time without time lag
5 с
Rated control supply voltage Us AC at 50 Hz up to
300 В
Rated control supply voltage Us AC at 50 Hz from
100...300 В
Rated control circuit AC supply voltage Us at 60 Hz from
100...300 В
Rated switching current
40 А
Tripping threshold voltage to
300 В
Response threshold voltage from
140...300 В
Switch-on current type
AC (alternating)
Monitored voltage current type
AC (alternating)
With removable terminals, clamps
No
Includes DC voltage monitoring functions - hysteresis
No
Includes DC voltage monitoring functions - overvoltage
No
Includes DC voltage monitoring functions - undervoltage
No
Connection type
Screw connection
Width
36 мм
0
★★★★★
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