Schneider Electric and 6.0A Operation, Switch Setting Adjustment, Examples, Set pickup levels

Micrologic™ 2.0A, 3.0A, 5.0A, and 6.0A Electronic Trip Units	48049-136-05
Section 3—Operation	Rev. 01, 07/2012

ENGLISH

Section 3—Operation

Switch Setting Adjustment

1.Open switch cover (A).

2.Adjust the appropriate switches (B) to desired values.

3.Replace switch cover. Use wire seal MICROTUSEAL (C, not provided), if necessary, to provide tamper evidence.

Examples

Circuit breaker is rated 2000 A.

Figure 23: Adjust Switch Settings

06133205 06133206 06133207

A	C
	B

Figure 24: Circuit Breaker Rating

06133208

In 2000 A

Micrologic 2.0A Trip Unit

Figure 25: Set Pickup Levels

1. Set pickup levels.

06134251	long time
	Ir	.8	alarm
	.7		.9
	.6		.95
	.5		.98
	.4 x In 1
	instantaneous
	Isd	4
	3		5
	2.5		6
	2		8
	1.5 x Ir		10
	setting

In = 2000 A

Ir = 0.7 x In = 1400 A

Isd = 2 x Ir = 2800 A

06134245

t

0 Ir Isd

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