PZ-G51EP Keyence Thrubeam Sensor PZ-G Series M12 Pigtail

Keyence PZ-G51EP Thrubeam Photoelectric Sensor – PZ-G Series

Technical Specifications

• Brand: Keyence
• Model: PZ-G51EP
• Series: PZ-G Series
• Sensor type: Thrubeam, standard rectangular shape
• Detecting distance: 20 m maximum (65.6 ft)
• Light source: Red LED
• Sensitivity adjustment: 1-turn trimmer (230°)
• Response time: 500 µs maximum
• Operation mode: LIGHT-ON/DARK-ON, switch-selectable
• Indicators: Power (T) orange LED, output (R) orange LED, stable operation green LED, light receiving red LED
• Spot diameter: Not available
• Lens cover material: Polyarylate (PAR)

Electrical and Communication Data

• Built-in ports: None
• Protocols: None
• Communication expansion: None
• Supply voltage: 10 to 30 VDC nominal, ripple (P-P) 10% included
• Current consumption: Transmitter 20 mA or less, receiver 28 mA or less
• Output type: PNP open collector
• Control output: 30 V maximum, 100 mA maximum, residual voltage 1 V maximum
• Cable connection: M12 pigtail connector
• Protection circuit: Reversed polarity, overcurrent protection, surge absorber
• Interference suppression: Up to 2 units via polarization filters or automatic different frequency function

Environmental Durability

• Operating temperature: -20 to +55 °C, no freezing
• Relative humidity: 35 to 85 % RH, no condensation
• Protection rating: IEC IP67 / NEMA 4A, 6, 12 / DIN IP69K
• Ambient light resistance: Incandescent lamp 5,000 lux maximum, sunlight 20,000 lux maximum
• Vibration resistance: 10 to 55 Hz, double amplitude 1.5 mm, 2 hours in each X, Y, Z direction
• Shock resistance: 1,000 m/s², 6 times in each X, Y, Z direction

Physical and Mounting Details

• Dimensions (H×W×D): Not available
• Weight: Approx. 30 g (rectangular M12 pigtail model)
• Housing material: Glass-fiber reinforced PBT
• Mounting torque: 0.5 N·m maximum at the mounting hole part
• Mounting guide: Align the transmitter and receiver face to face, then tighten the mounting screws to 0.5 N·m or less. Keep the sensing path clear of obstructions for stable thrubeam detection.

Lifecycle Status

• Production status: Active; Keyence confirms official production via the product and spec page (last verified: 2026-09)

Package Contents

• 1 × Keyence PZ-G51EP thrubeam sensor (transmitter and receiver)
• 1 × M12 pigtail connector cable
• 1 × Mounting bracket set
• 1 × Instruction sheet
• Shipping via FedEx, UPS, or DHL

FAQ

• What is the maximum detecting distance of the PZ-G51EP? The sensor reaches 20 m (65.6 ft) in thrubeam mode.
• Which output type does this model provide? It offers a PNP open collector output rated 30 V and 100 mA maximum.
• What connector does the PZ-G51EP use? It uses an M12 pigtail connector for quick installation.
• How does the PNP output differ from an NPN version? The PNP output switches the positive supply line, which suits positive-common control systems.
• Does the PZ-G51EP support both LIGHT-ON and DARK-ON modes? Yes, you can switch between both modes on the unit.
• What protection rating does the housing carry? The housing meets IEC IP67, NEMA 4A/6/12, and DIN IP69K ratings.
• How fast does the sensor respond? The response time is 500 µs maximum.
• What supply voltage does the PZ-G51EP require? It operates on 10 to 30 VDC nominal with 10% ripple.
• Is the PZ-G51EP in stock? Yes, we hold brand-new original stock and ship within 5 days.
• What is the return policy? We support returns within 30 days of delivery.

Contact Information

• Inquiries: sales@nex-auto.com | +86 153 9242 9628
• Partner NexAuto Technology Limited: https://www.nex-auto.com/