Mikro MK204A - 1. Current and Time Adjustments; Overcurrent Low-set Current (I>) Adjustment; Overcurrent High-set Current (I>>) Adjustment; Time Multiplier (IDT) Adjustment

TECHNICAL DATA
1. Current and Time Adjustments
Overcurrent Low-set Current (l>) Adjustment
• This adjustment is for setting the minimum overcurrent
for tripping with time delay.
• The setting range is from 2A to 6A.
Overcurrent High-set Current (l>>) Adjustment
• This adjustment is for setting the instantaneous tripping
current due to an overcurrent.
• The setting range is from 1x to 10x of the overcurrent
low-set setting value.
l>> = a x l>, a = 1 to 10
• This high-set feature can be disabled by setting the
tripping current to infinity ( ' )
Time Multiplier (IDT) Adjustment
• The delay timing adjustment is for selecting different
delay curve as shown in figure 1.
2. Light Indicators
The light indicators display the status of the system.
Figure 1: IDT Inverse
• The setting range is from 0.05 to 1.0.
Indicator
AUX l> l>> Status
Off Off Off No auxiliary power supply.
On Off Off System normal mode. No tripping.
On On Off
Overcurrent low-set start.
On Blink Off Overcurrent low-set tripped.
On Off On
Overcurrent high-set start.
On Off Blink Overcurrent high-set tripped.