IFM O5H51A

Photoelectric sensor

MPN: O5H51A
Category: All photoelectric sensors

Price and lead time confirmed within 1 business day

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2You get a written quote by email
3Approve it and we ship — in-stock parts within 1 business day

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 O5H51A?

For applications in hazardous areas

Robust housing with stainless steel protective bracket

Precise background suppression

Sensitivity adjustable via teach buttons

Programmable light-on/dark-on mode

Specifications

Product characteristics

Type of light	red light
Housing	rectangular

Application

Special feature	Background suppression
Function principle	Diffuse reflection sensor

Electrical data

Operating voltage[V] [V]	10...30 DC; (when used outside the hazardous area: 10...36)
Current consumption[mA] [mA]	25
Protection class	III
Reverse polarity protection	yes
Type of light	red light

Outputs

Electrical design	PNP
Output function	light-on/dark-on mode; (programmable)
Max. voltage drop switching output DC[V] [V]	2.5
Permanent current rating of switching output DC[mA] [mA]	100; (when used outside the hazardous area: 200)
Switching frequency DC[Hz] [Hz]	1000
Short-circuit protection	yes
Type of short-circuit protection	pulsed
Overload protection	yes

Detection zone

Range[mm] [mm]	50...1800; (white paper 200 x 200 mm 90% remission)
Range on white object (90 % remission)[mm] [mm]	50...1800
Range on grey object (18 % remission)[mm] [mm]	50...900
Range on black object (6 % remission)[mm] [mm]	50...600
Range adjustable	yes
Max. light spot diameter[mm] [mm]	50
Background suppression available	yes

Operating conditions

Ambient temperature[°C] [°C]	-10...50
Note on ambient temperature	when used outside the hazardous area: -25...60 °C
Protection	IP 65

Tests / approvals

ATEX marking	II 3D Ex tc IIIC T105°C Dc X
EMC	EN 60947-5-2
MTTF[years] [years]	360

Mechanical data

Weight[g] [g]	335
Housing	rectangular
Dimensions[mm] [mm]	105 x 30 x 62
Materials	housing: PA; bezel: stainless steel; operator interface: TPU; Protective bracket: stainless steel
Lens material	PMMA
Lens alignment	side lens

Displays / operating elements

Display	switching status; 1 x LED, yellow
switching status	1 x LED, yellow
Teach function	yes
Electronic lock	yes

Remarks

Pack quantity

1 pcs.

Electrical connection

Connector

1 x M12; coding: A

O5H51A: frequently asked questions

When can O5H51A be shipped?

O5H51A 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 O5H51A 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 O5H51A 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 O5H51A, subject to availability and destination.