Electronic circuit protector REX12

Electronic circuit protector REX12

www.e-t-a.de

2

1646

4

Fail-safe element

integral

blade fuse

adjusted to

LOAD+

typically 180 mV

typically 125 mV

typically 110 mV

typically 80 mV

typically 120 mV

typically 85 mV

typically 115 mV

typically 80 mV

typically 170 mV

typically 110 mV

typically 160 mV

typically 105 mV

typically 180 mV

typically 120 mV

Operating voltage

monitoring

with regard to low voltage with automatic ON and

OFF switching

Switch-on delay

- with power ON

channel 1:

typically 100 ms

channel 2:

typically 200 ms

- when switching on via

channel 1:

typically 5 ms

ON/OFF momentary

channel 2:

typically 100 ms

switch or

- after undervoltage

channel 1:

typically 5 ms

channel 2:

typically 5 ms

Disconnection of

- manually on the device with the

load circuit

ON/OFF momentary switch

- after an overload / short circuit

disconnection with storage

(no automatic reset)

- temporarily at undervoltage

- at no operating voltage

Switch-on of load circuit

- momentary switch

device can only be switched on

ON/OFF

when operating voltage is applied

- applying

the device starts up with the condition

operating voltage

last stored

Reset function

a blocked load output (blocked by

overload / short circuit) can externally be

reset by the ON/OFF momentary switch

Leakage current in load

typically < 1 mA

circuit in OFF condition

Capacitive loads

up to 20,000 µF

Free-wheeling diode

external free-wheeling circuit at inductive

load (rating according to load)

Parallel connection of

not allowed

several load outputs

Status output

Status indication REX12-T minus switching signal output

group signalling is implemented in

connection with EM12-T supply module

Screw terminals

LOAD+

Push-in terminal PT 2.5

Stripping length

8 mm...10 mm

Dimensions (w x h x d)

12.5 x 98,5 x 80 mm

Mass

REX12-TA1-xxx 1-channel approx. 57 g

REX12-TA2-xxx 2-channel approx. 58 g

General data

Housing material

moulded

Mounting

symmetrical rail to EN 60715-35x7.5

Ambient temperature

-25 °C...+60 °C

(without condensation, cf. EN 60204-1)

Storage temperature

-40 °C...+70 °C

Mounting temperature

+5 °C…+60 °C

Humidity

96 hrs / 95 % RH 40 °C to IEC 60068-2-

78-Cab, climate class 3K3 to EN 60721

Vibration

3 g test to IEC 60068-2-6, test Fc

Degree of protection

(IEC 60529, DIN VDE 0470) IP30

EMC requirements

noise emission

EN 61000-6-3

(EMC directive, CE logo) susceptibility:

EN 61000-6-2

Insulation co-ordination

(IEC 60934)

0.5 kV / pollution degree 2

Dielectric strength

max. DC 30 V (load circuit)

Insulation resistance

n/a, only electronic disconnection

(OFF condition)

Approvals

CE logo,

UL 2367, File # E306740,

(UL60947 / UL 508, File # E...)

under preparation

Type

Mounting method

T

rail mounting

Design

or xA/xA

Number of channels

Version

Signal input

0

without signal input

Signal output:

7

status output

Operating voltage

DC 24 V

voltage rating DC 24 V

Current ratings

1 A

(only 1-channel)

2 A

(only 1-channel)

3 A

(only 1-channel)

4 A

(only 1-channel)

6 A

(only 1-channel)

8 A

(only 1-channel)

10 A

(only 1-channel)

2 A/2 A

(only 2-channel)

4 A/4 A

(only 2-channel)

6 A/6 A

(only 2-channel)

REX12 - T

A 1 - 1

0

7 - DC24V - 10 A

example of 1-channel

REX12 - T

A 2 - 1

0

Ordering number code - REX12-T

Preferred types

Standard current ratings (A)

REX12-TA1

2

4

6

10

2/2

4/4

6/6

REX12-TA1-107-DC24V-

x

x

x

x

REX12-TA2

2

4

6

10

2/2

4/4

6/6

REX12-TA2-107-DC24V-

x

x

x

Preferred types