Three-phase Phase-sequence Phase-loss Relay Nd-380 Contact Load: High Power

We are a reputed name in this industry as a Manufacturer of Three-Phase Phase-Sequence Phase-Loss Relay ND-380 in Zhejiang, Zhejiang, China.
Key Specifications/Special Features
Rated input voltageRelay outputModel
3-phase 3-wire 200, 220, 230, 240 VACRelay: SPDT contact outputND-200,ND-220,ND-230,ND-240
3-phase 3-wire 380, 400, 415, 480 VACRelay: SPDT contact outputND-380,ND-400,ND-415,ND-480
3-phase 3-wire 200, 220, 230, 240 VACRelay: SPDT contact outputND-200w,ND-220w,ND-230w,ND-240w
3-phase 3-wire 380, 400, 415, 480 VACRelay: SPDT contact outputND-380w,ND-400w,ND-415w,ND-480w
Note: W indicates that the overvoltage and undervoltage range can be adjusted
* The power supply voltage is the same as the rated input voltage.
Ratings
Rated input voltageND-200,ND-220,ND-230,ND-240: Three-phase, three-wire Mode: 200, 220, 230, or 240 VAC
ND-380,ND-400,ND-415,ND-480: Three-phase, three-wire Mode: 380, 400, 415, or 480 VACND-200w,ND-220w,ND-230w,ND-240w: Three-phase, three-wire Mode: 200, 220, 230, or 240 VAC
ND-380w,ND-400w,ND-415w,ND-480w: Three-phase, three-wire Mode: 380, 400, 415, or 480 VAC
Operating value setting
rangeND-200,ND-220,ND-230,ND-240, ND-380,ND-400,ND-415,ND-480Overvoltage : +15% of rated input voltage Undervoltage : -15% to 30% of rated input voltage ND-200w,ND-220w,ND-230w,ND-240w, ND-380w,ND-400w,ND-415w,ND-480wOvervoltage : +5% to 20% of rated input voltage
Undervoltage : -5% to 20% of rated input voltage
Note: Can be customized
Operating valueOperates at 100% of set value.
Reset methodAutomatic reset
Operating
time
setting
rangeOvervoltage/
Undervoltage1 to 8 s
Asymmetry1 to 8 s
Phase
sequence0.1 sA 0.05 s
Phase loss0.1 s max.
displayNormal : Green light; Overvoltage, Undervoltage: Yellow light; Phase loss, Phase sequence: Red light
Output formRelay Output: SPDT contact
Output relay ratingsRated load
5 A at 250 VAC (Resistive load)
5 A at 30 VDC (Resistive load)
1 A at 250 VAC (Inductive load)
0.2 A at 48 VDC (Inductive load)
Minimum load: 5 VDC, 10 mA (reference values)
Mechanical life: 10 million operations min.
Electrical life: 5 A at 250 VAC or 30 VDC:
50,000 operations
3 A at 250 VAC or 30 VDC:
100,000 operations
Ambient operating
temperature-20 to 60A C (with no condensation or icing)
Storage temperature-25 to 65A C (with no condensation or icing)
Ambient operating
humidity25% to 85% RH (with no condensation)
Storage humidity25% to 85% RH (with no condensation)
Altitude2,000 m max.
Applicable wiresStranded wires, solid wires, or ferrules
Applicable wire size0.25 to 1.5 mm2 (AWG24 to AWG16)
Wire insertion force8 N max. for AWG20 wire
Screwdriver
insertion force15 N max.
Wire stripping length8 mm
Ferrule length8 mm
Current capacity10 A (per pole)
WeightApprox. 60 g
MountingMounts to DIN Track
Dimensions30 *60 * 76 mm (W*D*H)
Specifications
Input frequency50/60 Hz
Applicable
standardsConforming
standardsEN 60947-5-1
Installation environment (pollution level 2, Overvoltage category III)
EMCEN 60947-5-1
Insulation resistance20 MIC min.
Between external terminals and case
Between input terminals and output terminals
Dielectric strength2,000 VAC for one minute
Between external terminals and case
Between input terminals and output terminals
Impulse withstand
voltage6 kV (between live terminals and exposed, noncharged metal parts)
Vibration resistanceFrequency: 10 to 55 Hz, 0.35-mm single amplitude
10 sweeps of 5 min each in X,Y, and Z directions
Shock resistance100 m/s2, 3 times each in 6 directions along 3 axes
Degree of protectionTerminals: IP20
a Features
a Three-phase monitoring of phase sequence, phase loss, over- and undervoltage and phase unbalance
a Powered by the measuring circuit
a 1 C/O contact
a 5 LEDs for status indication

a Protective Functions
a Phase sequence
a Phase loss
a Overvoltage
a Undervoltage
a Phase unbalance

a Typical Applications
a c Pumps a c Fans
a c Blowers a c Motors
a c