Keyence PZ-G51B

Threaded mount Thrubeam Cable Type, NPN.

MPN: PZ-G51B
Category: Built-in amplifier photoelectric sensors

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What is the Keyence PZ-G51B?

Threaded mount Thrubeam Cable Type, NPN. PZ-G51B. Series: Built-in amplifier photoelectric sensors. Series code: PZ-G series

Specifications

Model Name	Threaded mount Thrubeam Cable Type, NPN
Model Code	PZ-G51B
Series Title	Built-in amplifier photoelectric sensors
Series Code	PZ-G series
Data Sheet URL	https://www.keyence.com/download/download/confirmation/?dlSeriesId=WS_SR_pz_g&dlModelId=PM_031G51B&dlSiteId=1&dlLanguageId=en-US&dlLangType=en-US
CAD URL	https://www.keyence.com/products/sensor/photoelectric/pz-g/downloads/?mode=cd&modelId=PM_031G51B
Manuals URL	https://www.keyence.com/products/sensor/photoelectric/pz-g/downloads/?mode=ma&modelId=PM_031G51B
Model	PZ-G51B
Type	ThrubeamStandard
Shape	Threaded
Output	Bipolar(NPN+PNP)
Cable connection	Cable (2 m 78.74") *1
Detecting distance	20 m(65.6')
Spot diameter	―
Light source	Red LED
Sensitivity adjustment	1-turn trimmer (230°)
Response time	500 µs
Operation mode	LIGHT-ON/DARK-ON (switch-selectable)
Indicators (LED)	Power (T): Orange LEDOutput (R): Orange LEDStable operation: Green LEDLight receiving: Red LED
Control output	Open collector output, 30 V max., 100 mA max., Residual voltage: 1 V max.
Protection circuit	Reversed polarity, overcurrent protection, surge absorber
Interference suppression	Up to 2 units(When polarizationfilters are attached)
Tightening torque	Threaded models (front M18 part): 1.0 N m max., (side slotted hole part): 0.5 N m max.
Rating - Power voltage	10 to 30 VDC, including Ripple (P-P) 10 %
Rating - Current consumption	Transmitter: 20 mA or less, Receiver: 28 mA or less
Environmental resistance - Enclosure rating	IEC: IP67/NEMA: 4A, 6, 12/DIN: IP69K
Environmental resistance - Ambient light	Incandescent lamp: 5,000 lux max., Sunlight: 20,000 lux max.
Environmental resistance - Ambient temperature	-20 to +55 °C -4 to 131 °F (No freezing)
Environmental resistance - Relative humidity	35 to 85 % RH (No condensation)
Environmental resistance - Vibration resistance	10 to 55 Hz, Double amplitude 1.5 mm 0.06", 2 hours in each of the X, Y, and Z directions
Environmental resistance - Shock resistance	1,000 m/s2, 6 times in each of the X, Y, and Z directions
Material - Housing, M18 nut(threaded models only)	Glass-fiber reinforced PBT
Material - Lens cover	Polyarylate (PAR)
Material - Trimmer	Glass-fiber reinforced polyamide (PA)
Material - Case connection	Screw: Nickel-plated iron and zinc, packing: nitrile butadiene rubber (NBR)
Material - Cable (cable models only)	Polyvinyl chloride (PVC)
Material - Connector (connector type with cable only)	―
Accessories	Instruction manual, M18 nut x 1 piece (threaded models only)
Weight	Threaded cable models: Approx. 65 g (Thrubeam-models transmitter: Approx. 55 g)

PZ-G51B: frequently asked questions

When can PZ-G51B be shipped?

PZ-G51B 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 PZ-G51B 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 PZ-G51B 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 PZ-G51B, subject to availability and destination.