IFM NM500A - Inductive NAMUR sensor IMC2020BN/US/2G/1D

For applications in hazardous areas.
For connection to intrinsically safe circuits.
Long sensing range for use in conveying.
Robust housing for use in harsh industrial environments.
Five positions of the sensing face selectable

Electrical design	NAMUR
Output function	normally closed
Sensing range [mm]	20
Housing	rectangular
Dimensions [mm]	40 x 40 x 66

Special feature	Gold-plated contacts

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]	8.2; (1kΩ)
Supply voltage DC [V]	7.5...30;(when used outside the hazardous area)
Current consumption [mA]	< 1;(disabled; conductive: > 2,1)
Protection class	III

Outputs

Electrical design	NAMUR
Output function	normally closed
Permanent current rating of switching output DC [mA]	30;(when used outside the hazardous area)
Switching frequency DC [Hz]	200

Detection zone

Sensing range [mm]	20
Real sensing range Sr [mm]	20 ± 10 %

Accuracy / deviations

Correction factor	steel: 1 / stainless steel: 0.7 / brass: 0.5 / aluminium: 0.4 / copper: 0.3
Hysteresis [% of Sr]	1...15
Switch point drift [% of Sr]	-10...10

Operating conditions

Ambient temperature [°C]	-20...70
Protection	IP 67

Tests / approvals

Approval	BVS 04 ATEX E 091 X; IECEx BVS 06.0003
ATEX marking	II 2G Ex ia IIB T6 Gb
	II 1D Ex ia IIIC T 90°C Da
EMC	EN 60947-5-6
Shock/vibration resistance	30 g (11 ms) / 10-55 Hz (1 mm)
MTTF [years]	2825

Safety classification

Max. internal capacitance [nF]	250
Max. internal inductance [µH]	450

Weight [g]	181.5
Housing	rectangular
Mounting	flush mountable
Dimensions [mm]	40 x 40 x 66
Materials	housing: PPE; sensing face: PPE orange; end cap: PPS; mounting adapter: PPS black; screw: steel galvanised

Displays / operating elements

Display	switching status 1 x LED, yellow

Accessories

Items supplied	Mounting bracket: 1 Allen key: 1

Remarks	5 positions of the active zone possible
Pack quantity	1 pcs.

Electrical connection - plug

Connection	Connector: 1 x M12; coding: A; Locking: brass, white bronze coated; Contacts: gold-plated

ifm electronic gmbh • Friedrichstraße 1 • 45128 Essen — EN-GB — NM500A — 24.04.2023 —