EKF
Phase monitoring relay with LCD display (with neutral) RKF-2S EKF PROxima rkf-2s
SKU: rkf-2s
ETIM: EC001441
2,796 ₽
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Analogues by specifications
Stock by warehouse
No description available
1-phase
No
3-phase
Yes
1-phase hysteresis monitoring possible
No
1-phase undervoltage monitoring possible
No
3-phase hysteresis monitoring possible
Yes
3-phase undervoltage monitoring possible
Yes
Height
75 мм
Height
75 мм
Depth
65 мм
Voltage measurement range 1 at
219 В
Voltage measurement range 1 from
150...219 В
Voltage measuring range 2 to
300 В
Voltage measuring range 2 from
221...300 В
Voltage measuring range to
300 В
Voltage measuring range from
150...300 В
Number of normally closed (NC) contacts
0
Number of normally open (NO) contacts
0
Number of switching contacts
2
Maximum permissible delay time
10 с
Maximum permissible trip delay time without holding
30 с
Minimum adjustable delay time
0.5 с
Minimum adjustable response delay time without time lag
0.5 с
Rated control supply voltage Us AC at 50 Hz up to
300 В
Rated control supply voltage Us AC at 50 Hz from
125...300 В
Rated control circuit AC supply voltage Us at 60 Hz from
125...300 В
Rated control supply voltage Us DC up to
0 В
Rated control supply voltage Us DC from
0 В
Tripping threshold voltage to
300 В
Response threshold voltage from
150...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
Phase sequence monitoring function
Yes
Phase asymmetry detection function
Yes
Phase failure detection function
Yes
Overvoltage detection function
Yes
Undervoltage detection function
Yes
Width
35 мм
0
★★★★★
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