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Keyence EM-054B

Main Unit, Shielded Type, f5.4, NPN.

MPN: EM-054B
Category: Proximity sensors with in-cable amplifiers

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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 Keyence EM-054B?

Main Unit, Shielded Type, f5.4, NPN. EM-054B. Series: Proximity sensors with in-cable amplifiers. Series code: EM series

Specifications

Model Name	Main Unit, Shielded Type, f5.4, NPN
Model Code	EM-054B
Series Title	Proximity sensors with in-cable amplifiers
Series Code	EM series
Data Sheet URL	https://www.keyence.com/download/download/confirmation/?dlSeriesId=WS_SR_em&dlModelId=PM_023054B&dlSiteId=1&dlLanguageId=en-US&dlLangType=en-US
Manuals URL	https://www.keyence.com/products/sensor/proximity/em/downloads/?mode=ma&modelId=PM_023054B
Model	EM-054B*1
Type	Shielded
Shape	5.4 mm 0.21" dia Cylindrical.
Detecting distance	1.2 mm 0.05" ±10%
Detectable object	Ferrous metals (see Characteristics for non-ferrous metals)
Standard target(iron, t=1 mm 0.04")	6 x 6 mm 0.24"
Hysteresis	10% max. of detecting distance
Response frequency	1.2 kHz
Operation mode	N.O.
Temperature characteristics	±10% max. of detecting distance at +23°C 73.4°F, within -10 to +70°C 14 to 158°F
Display indicator	Red LED
Control output	NPN: 200 mA (40 V) max., Residual voltage: 1 V max.
Housing	Stainless steel
Rating - Power voltage	10.8 to 30 VDC, Ripple (P-P) 10 % or less*2
Rating - Current consumption	12 mA or less
Environmental resistance - Enclosure rating	IP67
Environmental resistance - Ambient temperature	-25 to +80 °C -13 to 176 °F (No freezing)
Environmental resistance - Relative humidity	35 to 95 % RH (No condensation)
Weight	Approx. 40 g (including nuts and 2-m 6.6' cable)

EM-054B: frequently asked questions

When can EM-054B be shipped?

EM-054B 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 EM-054B 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 EM-054B 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 EM-054B, subject to availability and destination.