ONI (Группа IEK)
Phase monitoring relay ORF-10 3 phases 2 contacts 220-460V AC ONI ORF-10-220-460VAC
SKU: ORF-10-220-460VAC
ETIM: EC001441
23,790 ₽
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Order multiple: 6 шт
Analogues by specifications
Phase control relays provide continuous monitoring of three-phase network parameters and protection of equipment in case of emergency modes: overvoltage, undervoltage, voltage asymmetry, phase sequence, and phase failure.
Devices are widely used in automation systems, automatic transfer switches (ATS), as well as for protecting electric motors, pumps, compressors, and other equipment critical to power supply stability.
*The list of controlled parameters depends on the device modification. Detailed characteristics are in the product data sheet.
Overvoltage category
3
Response time
0.1...10 мс
Height
90 мм
Height
90 мм
Hysteresis
2
Depth
64 мм
Voltage measuring range to
552 В
Voltage measuring range from
176...552 В
Voltage asymmetry setting range
5...15
Voltage setpoint range
2...20
Supply voltage frequency range
45...65
Voltage presence indicator
Green LED (Un)
Relay tripping indicator
Red LED (R)
Overvoltage category
3
Number of normally closed (NC) contacts
2
Number of normally open (NO) contacts
2
Number of switching contacts
2
Maximum permissible delay time
10 с
Maximum permissible trip delay time without holding
- с
Maximum cable cross-section
6 кв.мм
Mech. endurance
10,000,000
Minimum adjustable delay time
0 с
Minimum adjustable response delay time without time lag
0.5 с
Supply voltage from
220...460 В
Rated voltage of contact assembly
250 AC / 24 DC
Rated current of contact groups at AC-1
8
Rated control supply voltage Us AC at 50 Hz up to
460 В
Rated control supply voltage Us AC at 50 Hz from
220...460 В
Rated control supply voltage Us DC from
- В
Measurement error
1
Operating position
Any
Repairability
No
Switch-on current type
Alternating current (AC)
Monitored voltage current type
Alternating current (AC)
Mounting method
DIN rail (standard) 35 mm
Pollution degree
2
IP protection rating of terminal
IP20
Ingress protection (IP) of front panel
IP40
Operating temperature from
-20...55 град.C
Phase sequence monitoring function
Yes
Phase asymmetry detection function
Yes
Phase failure detection function
Yes
Overvoltage detection function
Yes
Undervoltage detection function
Yes
Width
36 мм
Electrical endurance
100,000
0
★★★★★
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