M8 Inductive Proximity Sensors (Short/Flush, Y-Type, 35mm, 45mm)

Name: M8 Inductive Proximity Sensors (Short/Flush, Y-Type, 35mm, 45mm)
Brand: DAIDISIKE
SKU: m8-inductive-proximity-sensors
Availability: InStock

M8x1 inductive proximity sensors - straight, Y-type, 35mm, 45mm bodies, 1-6mm sensing, NPN/PNP NO/NC, IP67.

M8 Inductive Proximity Sensors (Short/Flush, Y-Type, 35mm, 45mm) - dimensional drawing

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Technical Specifications

Sensing Type	Inductive
Thread	M8x1
Body Shapes	18mm straight, Y-type (18mm, right-angle), 35mm, 45mm
Mounting Type	Flush (embeddable in metal) / Non-flush (T suffix, surface-mount)
Sensing Distance	18mm flush: 1mm or 2mm; 18mm non-flush: 2mm; Y-type 18mm flush: 1mm or 2mm; 35mm flush: 1mm or 2mm, non-flush: 2mm or 4mm; 45mm flush: 1mm, 2mm or 3mm, non-flush: 2mm, 4mm or 6mm
Output	NPN / PNP, Normally Open (NO) / Normally Closed (NC)
Wiring	3-wire DC (brown = +V, blue = 0V, black = signal output)
Operating Voltage	10-30VDC per the selection table (the wiring diagram separately labels the supply as DC 6-36V; discrepancy pending factory confirmation)
Response Time	0.1ms on the 18mm, Y-type, and short-range taps of the 35mm/45mm bodies
Switching Frequency	400Hz to 2KHz depending on sensing-distance tap
Protection Rating	IP67
Operating Temperature	-25°C to +70°C
Temperature Drift	<10% (Sr)
Overload Protection	180mA overload current protection point, built-in short-circuit protection
Housing Material	Nickel-plated brass
Indicator	Built-in LED status indicator
Cable Length	2m standard, extendable on special request

Overview

This is a group of four M8x1-thread inductive proximity sensors sharing the same sensing technology and electrical interface but differing in body shape and length: a standard 18mm straight body, an 18mm right-angle Y-type body for tight lateral installation, a 35mm extended body, and a 45mm extended body. It suits machine builders, panel integrators, and OEMs who need a metal-object presence or position sensor that fits into an M8 mounting hole and must be selected by exact sensing distance and output type.

Each body shape is offered in flush (embeddable in metal, shorter sensing distance) and non-flush (surface-mount, longer sensing distance) versions, with NPN or PNP output and normally-open (NO) or normally-closed (NC) logic. Sensing distance spans 1mm to 3mm on flush versions and 2mm to 6mm on non-flush versions depending on body length, with a 0.1ms response time on the standard taps, IP67 protection, and a -25°C to +70°C operating range.

Key Facts — M8 at a glance

The M8 inductive proximity sensor family (18mm, Y-type, 35mm, 45mm bodies) offers sensing distances from 1mm (flush) to 6mm (non-flush, 45mm body).
All variants in this M8 sensor family are rated IP67 with an operating temperature range of -25°C to +70°C.
Response time is 0.1ms on the 18mm, Y-type, and short-range taps of the 35mm/45mm M8 proximity sensors.
Each M8 sensing-distance variant is available in NPN or PNP output with NO (normally open) or NC (normally closed) switching logic.
The M8 sensor series uses a 3-wire DC configuration (brown/blue/black) rated 10-30VDC per the selection table, with short-circuit protection and a 180mA overload protection point.
The M8 proximity sensor housing is nickel-plated brass with a standard 2m cable, extendable on request.

Features & Benefits

Four Body Lengths From One M8 Platform

Straight 18mm, Y-type 18mm (right-angle), 35mm, and 45mm bodies share the same M8x1 thread and 3-wire DC interface. Designers can swap body shape for installation clearance without changing the electrical wiring scheme.

Sensing Range From 1mm to 6mm Across Flush/Non-Flush

Flush versions detect 1-3mm depending on body length; non-flush versions extend to 2-6mm. One platform covers both close-in and standoff detection needs.

NPN/PNP and NO/NC Selectable at the Model-Number Level

Every sensing-distance variant is available in NPN or PNP output with NO (normally open) or NC (normally closed) logic, matching common PLC input card requirements without custom wiring.

Fast Response for Line-Speed Detection

Response time is 0.1ms on the standard variants (18mm, Y-type, and the 1-2mm taps of 35mm/45mm), suiting parts moving at conveyor and indexing-table speeds.

IP67-Rated, Wide Temperature Range for Factory-Floor Duty

Rated IP67 and -25°C to +70°C operating range, with less than 10% temperature drift (Sr), for use in washdown-adjacent or dusty production environments.

Built-In Short-Circuit and Overload Protection

Short-circuit protection is standard, with an overload current protection point of 180mA, reducing the risk of sensor failure from wiring mistakes or load faults during commissioning.

LED Status Indication for Fast Field Diagnosis

All variants include an LED indicator, so technicians can visually confirm switching state during installation and troubleshooting without a multimeter.

Nickel-Plated Brass Housing for Metal-Contact Durability

The housing material is nickel-plated brass, suited to repeated mounting and dismounting on machine frames and metal fixtures typical of M8 inductive-sensor installations.

Applications

Workpiece Presence Detection on Assembly/Conveyor Lines — Sensing distances of 1-6mm and 0.1-0.5ms response are enough to catch small metal parts passing on a moving line without contact wear.

Rotary Index/Turntable Position Detection — The compact M8 body and flush/non-flush mounting let the sensor be fixed close to a rotating fixture to confirm each station has reached its detection point.

Metal Container Detection on Packaging Lines — The sensor detects metal targets passing at close range on a line, suiting counting or presence-check tasks for metal cans and containers.

Pallet/Carrier Positioning on Conveyor Systems — The non-flush variants' longer sensing distance (up to 6mm on the 45mm body) accommodates the standoff gap typical of pallet-carrier detection at fixed conveyor stop points.

Door/Guard Open-Closed Status Detection — A metal striker plate or bracket on the door can be sensed at close range to confirm open vs. closed state for interlocking or status monitoring.

Space-Constrained Lateral Sensing With the Y-Type Body — The right-angle cable exit of the Y-type 18mm body allows installation in tight lateral clearance where a straight-body sensor's axial cable exit would not fit.

Machine Position/Limit Confirmation via Extended-Body Sensors — The longer 35mm/45mm bodies allow the sensing face to be set back from the mounting bracket while still detecting a metal target, useful where the mounting point is offset from the target surface.

Models & Ordering Information

18mm Straight Body

M801N1P18M801P1P18M801N2P18M801P2P18M802N1P18M802P1P18M802N2P18M802P2P18M802N1T22M802P1T22M802N2T22M802P2T22

Flush (P18): 1mm or 2mm sensing distance. Non-flush (T22): 2mm sensing distance.

Y-Type (Right-Angle, 18mm)

M801N1P18CM801P1P18CM801N2P18CM801P2P18CM802N1P18CM802P1P18CM802N2P18CM802P2P18C

Right-angle cable exit variant of the 18mm flush body; 1mm or 2mm sensing distance.

35mm Body

M801N1P35M801P1P35M801N2P35M801P2P35M802N1P35M802P1P35M802N2P35M802P2P35M802N1T35M802P1T35M802N2T35M802P2T35M804N1T35M804P1T35M804N2T35M804P2T35

Flush (P35): 1mm or 2mm sensing distance. Non-flush (T35): 2mm or 4mm sensing distance.

45mm Body

M801N1PM801P1PM801N2PM801P2PM802N1PM802P1PM802N2PM802P2PM803N1PM803P1PM803N2PM803P2PM802N1TM802P1TM802N2TM802P2TM804N1TM804P1TM804N2TM804P2TM806N1TM806P1TM806N2TM806P2T

Flush (P): 1mm, 2mm or 3mm sensing distance. Non-flush (T): 2mm, 4mm or 6mm sensing distance.

How to Select

Choose the 18mm straight body for the standard, most compact option with axial cable exit.
Choose the Y-type (18mm, right-angle) body where lateral clearance is limited or the cable must exit sideways.
Choose the 35mm body where a slightly recessed sensing face or longer thread engagement is needed.
Choose the 45mm body where the longest thread engagement/setback is needed, and where the widest sensing-distance range (up to 6mm) is required.
Select flush mounting to embed the sensor level with surrounding metal without false triggering, at a shorter sensing distance.
Select non-flush mounting for a longer sensing distance, keeping metal-free clearance around the sensing face.
Match sensing distance (Sn) to the target's actual approach distance with margin, per the available taps for each body shape.
Match NPN (sinking) or PNP (sourcing) output to the PLC/controller input card type before ordering.
Choose NO (normally open) to close the output on target detection, or NC (normally closed) to open it, based on the fail-safe behavior required by the control logic.
Confirm the available supply voltage matches the sensor's 3-wire DC input before ordering.

📘 Need the full method? How to Choose a Proximity Sensor · NPN vs PNP Sensor Outputs Explained

When NOT to specify the M8 — and what to use instead

Sizing a power supply near the edge of the sensor's rated voltage window

Why not: The selection table states 10-30VDC, but the wiring diagram separately labels the supply as DC 6-36V - this discrepancy is unresolved in the source data.

Use instead: Confirm the exact voltage rating with the factory before finalizing the power-supply design, or use the M18/M30 inductive proximity sensor series, whose 10-30VDC rating is stated consistently.

Detecting non-metallic targets

Why not: This is an inductive family, sensing metal only.

Use instead: The M8/M12 capacitive proximity switch with connector series.

Sensing distances beyond 6mm

Why not: The longest rated sensing distance in this family is 6mm (45mm body, non-flush).

Use instead: The M18/M30 inductive proximity sensor series, which reaches up to 40mm.

AC-powered control circuits

Why not: Wiring is 3-wire DC only; no AC variant exists in this product.

Use instead: The M12/M18/M30 2-wire AC inductive proximity sensor series.

Safety-related guarding or interlocks

Why not: No safety rating is claimed for this product.

Use instead: A dedicated safety switch or safety light curtain (DX series).

Specifications we do not publish yet

We only publish a figure once we are confident it is true. The items below are still being validated through further testing and real-world customer feedback, so for now we would rather leave them open than guess. If one of them matters to your design, ask us for the latest validated status.

Actual operating-voltage rating - the selection table says 10-30VDC while the wiring diagram says DC 6-36V; this is an unresolved discrepancy
Non-ferrous metal sensing-distance correction factor
MTBF / rated mechanical and electrical life
Certification marks (CE, UL, etc.)
Repeatability and switching hysteresis percentages, not stated for this series
Vibration and shock resistance rating

Frequently Asked Questions

What is the sensing distance range across the M8 18mm/Y-type/35mm/45mm proximity sensor family?

Flush-mount versions sense from 1mm to 3mm depending on body length (18mm and Y-type: 1-2mm; 35mm: 1-2mm; 45mm: 1-3mm). Non-flush versions sense from 2mm to 6mm (18mm: 2mm; 35mm: 2-4mm; 45mm: 2-6mm).

What is the difference between flush and non-flush mounting on these sensors?

Flush-mount sensors can be embedded level with surrounding metal without false triggering and have a shorter rated sensing distance; non-flush sensors must have metal-free clearance around the sensing face but achieve a longer rated sensing distance.

What output types are available - NPN or PNP, NO or NC?

Both NPN and PNP transistor outputs are offered, each available in normally-open (NO) or normally-closed (NC) configuration, selectable at the model-number level (e.g., N1 = NPN+NO, P2 = PNP+NC).

What is the operating voltage and wiring configuration?

These are 3-wire DC sensors rated 10-30VDC per the selection table (brown = +V, blue = 0V, black = signal output to load). Note: the wiring diagram separately labels the supply as DC 6-36V; this discrepancy is pending factory confirmation.

What is the protection rating and operating temperature?

IP67, with an operating temperature range of -25°C to +70°C.

What is the sensor housing made of?

Nickel-plated brass.

Does the sensor have short-circuit or overload protection?

Yes - short-circuit protection is standard, with an overload current protection point of 180mA.

What does the Y-type body offer compared to the straight 18mm body?

The Y-type body is an 18mm M8x1 sensor with a right-angle cable exit instead of the straight body's axial cable exit, for installations where lateral clearance for a straight cable run is limited.

What is the maximum switching frequency of these sensors?

Switching frequency varies by sensing-distance tap, ranging from 400Hz to 2KHz across the family.

Is the cable length fixed?

The standard cable length is 2m, and it can be extended on special request.

Are certification documents available for this M8 inductive proximity sensor series?

Certification documents are available on request.

Works Well Together

On the same machine or line, M8 is typically ordered together with: Photoelectric Sensors · Relay & Timer Modules · Laser Switch Sensors

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