Voltage protection relays CHINT NJYB3 series 

Type

Voltage and phase protection relays

Protection function

Phase sequence (Phase reversed), Phase-failure, PTC temperature, Overvoltage, Undervoltage, Phase unbalance (Asymmetry), Load protection

Display type

LED indicator

Number of phase

3 phase 4-wire, 1-phase, 2-phase, 3-phase

Rated supply voltage

220VAC, 380VAC

Operating frequency

50Hz

Rated input voltage

220...240VAC, 380...415VAC

Undervoltage setting (% Rated input voltage)

70...95%, 80%

Overvoltage setting (% Rated input voltage)

105...130%, 120%

Asymmetry setting (% Rated input voltage)

20%, 5...15%

Operating time of overvoltage/undervoltage

0.1...10s

Operating time of phase sequence

1s max.

Operating time of phase loss

1s max.

Operating time of asymmetry

0.1...10s

Reset method

Automatic

Rated contact capacity (resistive load)

0.75A at 240VAC, 0.47A at 415VAC

Case material

Plastic

Connections type

Screw terminals

Mounting type

DIN rail mounting

Operating ambience

Standard

Overall width

35.8mm

Overall height

66.2mm

Overall depth

91mm

Representative standard

EN, IEC

Separately accessories

DIN tracks: PFP-100N, DIN tracks: PFP-50N, DIN-rail: HYBT-01, DIN-rail: PFP-100N, DIN-rail: TC 5x35x1000-Aluminium, DIN-rail: TC 5x35x1000-Steel, Stopper: BIZ-07, Stopper: BNL6, End plate: PFP-M