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IFM SN2303

MPN: SN2303
Category: Evaluation units

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12-month warranty (new) · 3-month (used/refurbished)
30-day returns, no restocking fee on unused parts
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What is the IFM SN2303?

For applications in hazardous areas

Integrated flow monitoring and wire monitoring

Intuitive setting of switch point and medium

For the connection of intrinsically safe flow sensors

Clearly visible multi-colour LED bargraph display

Specifications

Application

Flow monitoring; Wire monitoring

Electrical data

Frequency AC[Hz] [Hz]	47...63
Operating voltage tolerance[%] [%]	-10...10
Operating voltage[V] [V]	< 200 AC
Max. power consumption[VA] [VA]	5
Reverse polarity protection	no
Power-on delay time[s] [s]	30
Number of channels	1

Outputs

Electrical design	relay
Contact rating	4 A (250 V AC cos phi > 0,7) ; 0,2 A (250 V DC); 4 A (24 V DC)
Switching function flow monitoring	relay energised when flow is present
Switching function wire break monitoring	relay de-energised in case of wire break
Short-circuit proof	no
Overload protection	no

Software / programming

Adjustment of the switch point	potentiometer
Selection liquids / gases	slide switch

Operating conditions

Ambient temperature[°C] [°C]	-20...60
Storage temperature[°C] [°C]	-20...85
Protection	IP 40
Protection rating terminals	IP 20

Tests / approvals

Approval	PTB 01 ATEX 2075; TIIS TC16593
ATEX marking	II (1) G [Ex ia Ga] IIC
MTTF[years] [years]	248

Mechanical data

Weight[g] [g]	548.5
Housing	rectangular
Type of mounting	mounting on DIN rail; (TH35 (EN 60715))
Dimensions[mm] [mm]	78 x 45 x 120
Materials	plastics

Displays / operating elements

Display	function; 11 x LED; switching status; LED, red
function	11 x LED
switching status	LED, red

Electrical connection

Required protection

miniature fuse to IEC60127-2 sheet 1; ≤ 5 A; fast acting; Place the fuse outside the hazardous area.

Remarks

Remarks	Caution The control monitor must be mounted outside the hazardous area.; Recommendation Check the safe functioning of the unit after a short circuit.
Pack quantity	1 pcs.

Electrical connection

terminals

15 x ...2.5 mm²

SN2303: frequently asked questions

When can SN2303 be shipped?

SN2303 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

Can I pick up SN2303 in person?

Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.

Is express delivery available?

Yes — mention it when you request a quote for SN2303 and we'll include express shipping options in our reply.

My factory is down and I need this urgently — can you help?

For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for SN2303, subject to availability and destination.