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Industrial Automation
E3ZS
Single-beam Safety Sensor
Detects Intrusions into Hazardous Areas with a Single Beam and Complies with International Safety Standards.
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last update: September 1, 2025
E3ZS
| Model | E3ZS-T81A | |
|---|---|---|
| Sensor type | Through-beam models | |
| Safety category | See Applicable standards. | |
| Standard sensing object | Opaque object: 18 mm in diameter or greater | |
| Lens diameter | Diameter 6.7 mm | |
| Sensing distance | 0.2 to 3 m | |
| Response time (under stable light
incident condition) |
1.0 ms (E3ZS only) | |
| Startup waiting time | 100 ms | |
| Power supply voltage (Vs) | 12 to 24 VDC±10% (ripple p-p 10% max.) *1 | |
| Current consumption (no load) | Emitter: 15 mA max.
Receiver: 20 mA max. |
|
| Light source (emitted wavelength) | Red LED (660 nm) | |
| Effective aperture angle (EAA) | ±5° (at 3 m) | |
| Control output | PNP transistor output, load current: 100 mA max.
OFF current: 0.5 mA max. Minimum current used: 1 mA Residual voltage: 1 V max. (when load current is less than 10 mA) Residual voltage: 2 V max. (when load current is between 10 mA and 100 mA) (except for voltage drop due to cable extension) |
|
| Output operation mode | Light-ON * | |
| Input voltage | 22.5 to 24 VDC: Emitter OFF (source current: 3 mA max.)
Open or 0 to 2.5 V: Emitter ON (leakage current: 0.1 mA max.) |
|
| Indicators | Emitter: Emitting (orange)
Receiver: Operation (orange), Stable (green) |
|
| Test functions | External test (light emission stop function by test input) | |
| Connection method | Pre-wired cable (2 m) | |
| Protective circuits | Power supply/output reverse connection protection, load short-circuit protection | |
| Ambient temperature | Operating: -10 to 55°C
Storage: -10 to 70°C (with no icing or condensation) |
|
| Ambient humidity | Operating: 35% to 85%, storage: 35% to 95% (with no icing or condensation) | |
| Ambient operating light intensity | Incandescent lamp: 3000 lx max (light intensity on the receiver surface).
Sunlight: 10,000 lx max (light intensity on the receiver surface). |
|
| Insulation resistance | 20 MΩ min. (at 500 VDC) | |
| Dielectric strength | 1000 VAC 50/60 Hz 1 min | |
| Degree of protection | IP67 (IEC standard) | |
| Vibration
resistance |
Operating limit | 5 to 150 Hz, 7 mm double amplitude/ 1 G acceleration, 10 sweeps for each X, Y,
and Z directions (IEC TR 60721-4-3 Class 3M4) |
| Durability | 10 to 55 Hz, 1.5 mm double amplitude, 2 hours for each X, Y and Z directions | |
| Shock
resistance |
Operating limit | 15 G acceleration, 6 ms pulse duration, 100 time for each direction of 3 mutually
perpendicular axes (600 in total) (IEC TR 60721-4-3 Class 3M4) |
| Durability | 500 m/s2 (approx. 50 G), 3 times for each X, Y, and Z directions | |
| Material | Case: Polybutylene terephthalate | |
| Weight (packed state) | Approx. 120 g (for one set including 2-m cable) | |
| Accessories | Operation manual | |
| Applicable
standards |
Sensor only | IEC 60947-5-3 (PDDB)
EN ISO13849-1 (PLc/Safety Category 1) |
| Sensor connected to
safety controller |
IEC (EN) 61496-1 Type2 ESPE
IEC (EN) 61496-2 Type2 AOPD EN ISO13849-1 (PLc/Safety Category 2) |
|
Note: Connect the Sensor to a safety controller conforming to related standards to use it as a safety device or as part of
a safety system.
* Depending on the wiring, this may turn ON when light is interrupted.
For your safety, be sure to connect the pink receiver wire (mode selection input) to 24 VDC to turn ON when light is
incident.
a safety system.
* Depending on the wiring, this may turn ON when light is interrupted.
For your safety, be sure to connect the pink receiver wire (mode selection input) to 24 VDC to turn ON when light is
incident.
last update: September 1, 2025
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