Catalogue number:
AN
□□□□□□
AS
Air Circuit Breaker 1600-5000 70-85kA
AS
□□□□□□
Short-time delay (S)- Isd, tsd
1. Standard current setting knob: Isd
- Setting range: (1.5-2-3-4-5-6-8-10-Off)
×
Ir
2. Time delay setting knob: tsd
- Standard operating time is based on the time of 10
×
Ir.
- Inverse time (I2t On ): 0.1-0.2-0.3-0.4 sec
- Definite time (I2t Off): 0.05-0.1-0.2-0.3-0.4 sec
3. Relay operates basing on the largest load current among the 3
phases.
4. When ZSI function was set, the protection operation will take
place instantaneously with input absence by downstream
devices. It is advised to disable its ZSI function on the last
downstream device.
Instantaneous (I)- Ii
1. Standard current setting knob: Ii
-
Setting range: (2-3-4-6-8-10-12-15-Off)
×
In
2. Relay operates basing on the largest load current among the 3
phases.
3. Total breaking time is below 50ms.
Long-time delay (L)- Iu, Ir, tr
1. Standard current setting knob: Ir
- Setting range in N type and A type: (0.4 ~1.0)
×
In
- Iu: (0.5-0.6-0.7-0.8-0.9-1.0)
×
In
- Ir: (0.8-0.83-0.85-0.88-0.9-0.93-0.95-0.98-1.0)
×
Iu
2. Time delay setting knob: tr
- Standard operating time is based on the time of 6
×
Ir
- Setting range: 0.5-1-2-4-8-12-16-20-Off sec
3. Relay pick-up current
- When current over (1.15)
×
Ir flows in, relay is picked up.
4. Relay operates basing on the largest load current among the 3
phases.
N.A.W. Controls Pty. Ltd.
Telephone: (03) 9464 6555
www.nawcontrols.com.au
LS ACB AS & AN range
June 2020
