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IFM N7R31A

MPN: N7R31A
Category: All inductive sensors

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12-month warranty (new) · 3-month (used/refurbished)
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What is the IFM N7R31A?

For applications in hazardous areas

Reliable detection of objects with very small diameters

Very short response time

Wide operating temperature range

Specifications

Product characteristics

Electrical design	NAMUR
Output function	normally closed
Housing	circular
Dimensions[mm] [mm]	32 x 25 x 20

Application

Operating principle

bistable

Electrical data

Connection to switching amplifiers	yes
Switching amplifiers	connection to certified intrinsically safe circuits with the max. values: U = 15 V / I = 50 mA / P = 120 mW
Nominal voltage DC[V] [V]	8.2; (1kΩ)
Current consumption[mA] [mA]	value for direction of movement A : < 1,2; value for direction of movement B : > 2,1
Protection class	III

Outputs

Electrical design	NAMUR
Output function	normally closed

Detection zone

Measuring ball (diameter)[mm] [mm]	6
Max. travel speed[m/s] [m/s]	10

Accuracy / deviations

Hysteresis[mm] [mm]

Operating conditions

Ambient temperature[°C] [°C]	-40...100
Note on ambient temperature	max. temperature span: 100 K
Protection	IP 67

Tests / approvals

Approval	BVS 08 ATEX E026; IECEx BVS 09.0016
ATEX marking	II 1G Ex ia IIC T4 Ga
EMC	EN 60947-5-2
MTTF[years] [years]	1261

Safety classification

Max. internal capacitance[nF] [nF]	90
Max. internal inductance[µH] [µH]	65

Mechanical data

Weight[g] [g]	67.5
Housing	circular
Dimensions[mm] [mm]	32 x 25 x 20
Inside diameter[mm] [mm]	15
Materials	PA 12-GF30

Remarks

Pack quantity

1 pcs.

Electrical connection

Cable

2 m; 2 x 0.14 mm², PTFE

N7R31A: frequently asked questions

When can N7R31A be shipped?

N7R31A 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 N7R31A 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 N7R31A 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 N7R31A, subject to availability and destination.