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NJB1-X Datasheet Preview

NJB1-X Datasheet

Protection Relay

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NJB1-X pdf
Relay
Protection Relay
NJB1-X Relay (Three-Phase
Unbalance, Phase Sequence,
Phase Failure Protection)
1. General
NJB1-X relay (hereinafter called relay) are applied in
AC380V~480V control circuits at a frequency of
50Hz/60Hz as protection elements of phase sequence,
phase failuire and phase unbalance,making or breaking
circuits.The relay with the true effective value of three
phase AC voltatage provides more reliable operating
protection. The products meet the requirements of
standard IEC 60947-5-1.
2. Type designation
N JB 1 - □/□
Rated voltage of control power supply
Function code: X: Three-Phase Unbalance,
Phase Sequence, Phase Failute Protection.
Design sequence No.
Relay
Company code
3. Technical data
Type
Operating voltage
NJB1-X
Three-phase, three-line mode: 380, 400, 415, 480VAC
Three-phase, four-line mode: 220, 230, 240, 277VAC
Three-phase
unbalance Operation
Unbalance rate: 2%~22%
Unbalance
Operation time
Contact number
Contact capacity
Indication mode
Ambient temperature
Installation mode
0.1~30s adjustable
1 Switching
3A 230VAC cosφ=1
Power supply: green LED, delay output:
yellow LED, alarm indication: red LED
-5~+40
Equipment type or track type
4. Overall and mounting dimensions (mm)
NJB1-X
22.5max
114max
5. Wiring diagram
N L1 L2 L3
Input
power supply
shares with
the rated input
voltage
L1
L2 N
L3
Output
18
16
15
Load
I
NJB1-X
> >> I-02


Part Number NJB1-X
Description Protection Relay
Maker CHiNT
Total Page 1 Pages
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