IEK
Voltage Monitoring Relay RN-d Single-Phase 54 mm 25A IEK IVR31-1-25
SKU: IVR31-1-25
ETIM: EC001438
180,750 ₽
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Used for automatic power disconnection when voltage or current exceeds permissible limits. The electronic board analyzes parameters and displays them on the screen. Limits can be adjusted manually using a simple button menu.
Voltage relay is installed in electrical panels of apartments, private houses, and small commercial objects to protect electrical equipment from damage caused by prolonged high or low voltage.
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
Time delay
5...600
Height
90 мм
Height
90 мм
Hysteresis
2
Depth
66 мм
Voltage measurement range 1 at
210 В
Voltage measurement range 1 from
120...210 В
Voltage measuring range 2 to
300 В
Voltage measuring range 2 from
220...300 В
Supply voltage frequency range
50/60
Relay tripping indicator
Red LED (R)
Number of normally open (NO) contacts
1
Number of changeover contacts
0
Number of switching contacts
0
Max. cross-section of stranded cable with ferrules
6
Max. single-core cable cross-section
6
Maximum permissible trip delay time without holding
600 с
Mech. endurance
100000
Minimum adjustable response delay time without time lag
5.0 с
Rated voltage of contact assembly
220
Rated current of contact groups at AC-1
25
Rated voltage
220 В
Rated control supply voltage Us AC at 50 Hz from
220 В
Rated control circuit AC supply voltage Us at 60 Hz from
220 В
Rated control supply voltage Us DC from
- В
Measurement error
1
Repairability
No
Switch-on current type
Alternating current (AC)
Monitored voltage current type
Alternating current (AC)
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
Mounting method
DIN rail (standard) 35 mm
Pollution degree
3
IP protection rating of terminal
IP00
Ingress protection (IP) of front panel
IP20
Operating temperature from
-20...+55 град.C
Connection type
Screw connection
Width
54 мм
Electrical endurance
5000
0
★★★★★
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