SR0153

Description

Application

Application	Flow monitoring; Temperature monitoring; Wire monitoring

Electrical data

Operating voltage tolerance [%]	-10…10
Operating voltage [V]	24 DC
Current consumption [mA]	90
Protection class	III
Reverse polarity protection	no
Power-on delay time [s]	10…80; (adjustable (fixed-value resistors terminals 22-23))
Number of channels	1

Outputs

Performance in case of a fault	In case of undervoltage all relays are de-energised; the LED “LOW VOLTAGE/WIRE BREAK-RELAY” lights
Electrical design	relay
Contact rating	4 A (250 V AC / 30 V DC)
Switching function flow monitoring	relay energised when flow is present and during the power-on delay time
Switching function temperature monitoring	relay de-energised when temperature is exceeded
Switching function wire break monitoring	relay de-energised in case of wire break or short circuit
Short-circuit proof	no
Overload protection	no

Response times

Response time [s]	< 3

Software / programming

Adjustment of the switch point	potentiometer
Selection liquids / gases	wire bridge; on delivery: monitoring of liquids.; for monitoring of gases: link terminals 23 / 24.
Switch point setting	potentiometer
Temperature range [°C]	0…80
Repeatability of the set switch point [K]	4

Operating conditions

Ambient temperature [°C]

-20…60

Note on ambient temperature

in case of sufficient free space for convection cooling

Protection

IP 20

Tests / approvals

MTTF [years]	263

Mechanical data

Weight [g]	233
Housing	housing for DIN rail mounting
Dimensions [mm]	100 x 25 x 103.5
Materials	PBT

Displays / operating elements

Display

Electrical connection

Required protection	miniature fuse to IEC60127-2 sheet 1; ≤ 5 A; fast acting

Remarks

Recommendation Check the safe functioning of the unit after a short circuit.

Pack quantity

1 pcs.

Electrical connection

Connection	COMBICON connector:

SR0153

Datasheet
EN PDF

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