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Electronic circuit breaker ESS31-T...-DC 24 V

1646

3

4

Electronic circuit breaker ESS31-T...-DC 24 V

Effect of the ambient temperature

on the tripping characteristics

ambient temperature T [°C]

0

+10

+23

+30

+40

+50

temperature factor

0.88

0.93

1.0

1.04

1.12

1.22

Table 1: Voltage drop, current limitation, trip times, fail-safe element, max. load current

Table 2: ESS31-T.. - versions

current rating

typical voltage

active current

limitation

typically

trip

time

typically 1)

trip

time

typically 2)

fail-safe

element

max. load current at

100 % ON duty

°C

°C

0.5 A

90 mV

500 ms

500 ms

2 A

0.5 A

0.5 A

1 A

100 mV

500 ms

500 ms

2 A

1 A

1 A

2 A

110 mV

500 ms

500 ms

4 A

2 A

2 A

3 A

150 mV

500 ms

500 ms

6.3 A

3 A

3 A

3.6 A

155 mV

350 ms

500 ms

6.3 A

3.6 A

3.6 A

4 A

160 mV

280 ms

500 ms

6.3 A

4 A

4 A

6 A

170 mV

150 ms

500 ms

10 A

6 A

5 A

8 A

190 mV

280 ms

500 ms

15 A

8 A

7 A

10 A

210 mV

200 ms

500 ms

15 A

10 A

9 A

12 A

220 mV

110 ms

500 ms

20 A

12 A

10.8 A

Note: When mounted side-by-side without convection the devices can only carry max. 80 % of their rated current continuously

(100 % ON duty) due to thermal effect.

1) short circuit

2) overload

Version

Signal input

Signal output:

Signal output F (signal contact)

Status output SF

ESS31-...

without

control input

ON/OFF +24 V

Control IN+

reset input

+24 V

RE

without

single signal

make con-

tact

(normally

open NO)

single signal

break con-

tact

(normally

closed NC)

without

status

OUT

+24 V = OK

status

OUT

0 V = OK

-TC

-001

X

X

X

-TC

-002

X

X

X