Three-phase unbalance, Phase sequence, Phase failure protection CHINT NJB1-X 

Type

Voltage and phase protection relays

Protection function

Phase-failure, Phase sequence (Phase reversed), Phase unbalance (Asymmetry)

Display type

Analog

Number of phase

3-phase

Rated supply voltage

220...277VAC, 380...480VAC

Operating frequency

50...60Hz

Rated input voltage

220VAC, 230VAC, 240VAC, 277VAC, 380VAC, 400VAC, 415VAC, 480VAC

Asymmetry setting (% Rated input voltage)

102...122%

Operating time of asymmetry

0.1...30s

Reset method

Automatic

Output configuration

SPDT

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

Ambient temperature

-5…40°C

Overall width

22.5mm

Overall height

102mm

Overall depth

114mm

Representative standard

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, End plate: PFP-M, Stopper: BIZ-07, Stopper: BNL6