HL18L-F4A5AE

Photoelectric Sensor, 12m, 655nm Red Laser, Retroreflective, Digital, H18 Sure Sense Series

⚠️ Reference pricing provided. In case of supply shortages, we will connect you with our trusted procurement partners to ensure your project's continuity.

Manufacturer: SICK
Product type:
SVHC: No SVHC (21-Jan-2025)
IP Rating: IP67, IP69K
Output Type: Digital - Push Pull, NPN / PNP LO / DO
Sensor Type: Photoelectric Sensor
Light Source: 655nm Red Laser
Product Range: H18 Sure Sense Series
Qualification: -
Sensing Method: Retroreflective
Connection Method: 4 Pin M12 Connector
Supply Voltage Max: 30VDC
Supply Voltage Min: 10VDC
Sensing Distance Max: 12m
Operating Temperature Max: 55°C
Operating Temperature Min: -30°C

Delivery and price
Units per pack	50
Price	208.23 €
Current stock	10+
Lead time	30 days

Datasheet

HL18L-F4A5AE H18 Sure Sense 

**PHOTOELECTRIC SENSORS** 

**HL18L-F4A5AE | H18 Sure Sense** PHOTOELECTRIC SENSORS 

## Ordering information 

|**Type**||**part no.**|
|---|---|---|
|HL18L-F4A5AE||1121965|
|Other models and accessories<br> www.sick.com/H18_Sure_Sense<br>=>|||



Illustration may differ c @) US UiK 

Detailed technical data 

Features 

|**Functional principle**|Photoelectric retro-reflective sensor|
|---|---|
|**Functional principle detail**|With minimum distance to reflector (dual lens system)|
|**Dimensions (W x H x D)**|16.2 mm x 48.5 mm x 31.8 mm|
|**Housing design (light emission)**|Hybrid|
|**Thread diameter (housing)**|M18|
|**Mounting system type**|M18, head/side (24.1 … 25.4 mm)|
|**Housing color**|Blue|
|**Sensing range max.**|0.1 m ... 12 m1)|
|**Sensing range**|0.1 m ... 10 m1)|
|**Type of light**|Visible red light|
|**Light source**|Laser2)<br> 3)|
|**Light spot size (distance)**|2 mm (2 m)|
|**Wave length**|655 nm|
|**Laser class**|I4)|
|**Adjustment**<br>Potentiometer, right<br>Potentiometer, left||
||Light/dark switching|
||None|
|**Special applications**|Detecting small objects|



- 1) Reflector PL80A. 

- 2) Average service life: 50,000 h at TU = +25 °C. 

- 3) CLASS 1 LASER PRODUCT EN60825-1:2014, IEC60825-1:2014, Maximum pulse power < 2,5 mW, Pulse length: 4 μs, Wavelength: 650 ... 670 nm, Complies with 21 CFR 1040.10 and 1040.11 except for deviations pursuant to Laser Notice No. 50, dated June 24, 2007. 

- 4) Do not intentionally look into the laser beam. Never point the laser beam at people's eyes. 

**Data sheet | 2026-04-30 03:01:58 Subject to change without notice** 

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**PHOTOELECTRIC SENSORS | SICK** 

**HL18L-F4A5AE | H18 Sure Sense** PHOTOELECTRIC SENSORS 

- **Special features** 

- 1) Reflector PL80A. 

- 2) Average service life: 50,000 h at TU = +25 °C. 

3) CLASS 1 LASER PRODUCT EN60825-1:2014, IEC60825-1:2014, Maximum pulse power < 2,5 mW, Pulse length: 4 μs, Wavelength: 650 ... 670 nm, Complies with 21 CFR 1040.10 and 1040.11 except for deviations pursuant to Laser Notice No. 50, dated June 24, 2007. 

4) Do not intentionally look into the laser beam. Never point the laser beam at people's eyes. 

## Mechanics/electronics 

|**Supply voltage**|10 V DC ... 30 V DC|
|---|---|
|**Ripple**|< 5 Vpp 1)|
|**Current consumption**|≤ 20 mA2)|
|**Switching output**|Push-pull: PNP/NPN|
|**Output function**|Complementary|
|**Switching mode**|Light/dark switching|
|**Switching output detail**||
|Switching output Q1|Push-pull: PNP/NPN, Light switching3)|
|Switching output Q2|Push-pull: PNP/NPN, Dark switching3)|
|**Output current Imax.**|≤ 100 mA|
|**Response time**|≤ 0.5 ms4)|
|**Switching frequency**|1,000 Hz5)|
|**Connection type**|Male connector M12, 4-pin|
|**Cable material**|Plastic, PVC|
|**Circuit protection**|A6)<br>B7)<br>D8)|
|**Protection class**|III|
|**Weight**|18 g|
|**Polarizing filter**|✔|
|**Housing material**|Plastic, VISTAL®|
|**Optics material**|Plastic, PMMA|
|**Enclosure rating**|IP67<br>IP69K|
|**Items supplied**|Fastening nut (1x), M18, plastic, black, flat|
|**Electromagnetic compatibility (EMC)**|EN 60947-5-2 (The sensor complies with the Radio Safety Requirements (EMC) for the indus-<br>trial sector (Radio Safety Class A). It may cause radio interference if used in a residential area.)|
|**Ambient operating temperature**|–30 °C ... +55 °C9)|



- 1) May not fall below or exceed UV tolerances. 

- 2) Without signal strength light bar and load. 

- 3) Pin 4 and pin 2: This switching output must not be connected to another output. 

- 4) Signal transit time with resistive load. 

- 5) With light/dark ratio 1:1. 

- 6) A = VS connections reverse-polarity protected. 

- 7) B = inputs and output reverse-polarity protected. 

- 8) D = outputs overcurrent and short-circuit protected. 

- 9) Below Ta = –10 °C, sensor must be turned on at Ta > –10 °C. Sensor cannot be turned on below Ta= –10 °C. 

**2026-04-30 03:01:58 | Data sheet Subject to change without notice** 

**PHOTOELECTRIC SENSORS | SICK** 

**3** 

**HL18L-F4A5AE | H18 Sure Sense** PHOTOELECTRIC SENSORS 

**==> picture [232 x 23] intentionally omitted <==**

**----- Start of picture text -----**<br>
|||
|---|---|
|Ambient temperature, storage|–40 °C ... +70 °C|
|UL File No.|E189383|

**----- End of picture text -----**<br>


1) May not fall below or exceed UV tolerances. 

2) Without signal strength light bar and load. 

3) Pin 4 and pin 2: This switching output must not be connected to another output. 

4) Signal transit time with resistive load. 

5) With light/dark ratio 1:1. 

6) A = VS connections reverse-polarity protected. 

7) B = inputs and output reverse-polarity protected. 

8) D = outputs overcurrent and short-circuit protected. 

9) Below Ta = –10 °C, sensor must be turned on at Ta > –10 °C. Sensor cannot be turned on below Ta= –10 °C. 

## Connection type/pinouts 

**Connection type** 

**==> picture [263 x 236] intentionally omitted <==**

**----- Start of picture text -----**<br>
|||
|---|---|
|Male connector M12, 4-pin|
|Connection type Detail|
|Cable material|Plastic|
|Pinouts|
|BN 1|+ (L+)|
|WH 2|Q2|
|BU 3|- (M)|
|BK 4|Q1|
|Certificates|
|EU declaration of conformity|✔|
|UK declaration of conformity|✔|
|ACMA declaration of conformity|✔|
|Moroccan declaration of conformity|✔|
|China RoHS|✔|
|cULus certificate|✔|

**----- End of picture text -----**<br>


## Certificates 

## Classifications 

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**----- Start of picture text -----**<br>
|||
|---|---|
|ECLASS 5.0|27270902|
|ECLASS 5.1.4|27270902|
|ECLASS 6.0|27270902|
|ECLASS 6.2|27270902|
|ECLASS 7.0|27270902|
|ECLASS 8.0|27270902|
|ECLASS 8.1|27270902|
|ECLASS 9.0|27270902|
|ECLASS 10.0|27270902|
|ECLASS 11.0|27270902|
|ECLASS 12.0|27270902|
|ETIM 5.0|EC002717|
|ETIM 6.0|EC002717|
|ETIM 7.0|EC002717|

**----- End of picture text -----**<br>


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**Data sheet | 2026-04-30 03:01:58 Subject to change without notice** 

**PHOTOELECTRIC SENSORS | SICK** 

**HL18L-F4A5AE | H18 Sure Sense** PHOTOELECTRIC SENSORS 

**ETIM 8.0** EC002717 **UNSPSC 16.0901** 39121528 

## Dimensional drawing 

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**----- Start of picture text -----**<br>
16.2 (0.64) 31.4 (1.24)<br>10.1 (0.40)<br>D<br>10.5 (0.41)<br>B 7.5 (0.30) 4<br>A<br>C<br>3<br>M12 x 1<br>0.9 (0.04)<br>2 M18 x 1<br>5<br>1<br>(0.95) (1.00)<br>)<br>(1.91) 24.1  25.4<br>12.7 0.50(<br>48.5<br>8.6 0.34)(<br>(0.59)<br>15<br>**----- End of picture text -----**<br>


## Dimensions in mm (inch) 

- ① LED indicator yellow: Status of received light beam 

- ② LED indicator green: power on 

- ③ M3 mounting hole 

- ④ Snap Connection for flush ring (sold seperatly) 

- ⑤ Potentiometer (if selected) or LED Indicators 

|**Dimensions in mm (inch)**|**Receiver**|**Receiver**|**Sender**|**Sender**|
|---|---|---|---|---|
|–|**A**|**B**|**C**|**D**|
|**HTB18 / HTF18**|- 1.1 (0.04)|1.1 (0.04)|4.7 (0.19)|0.6 (0.02)|
|**HTE18 / HL18 / HSE18**|2.5 (0.1)|0.0 (0.0)|4.0 (0.16)|0.0 (0.0)|
|**HTB18L / HTF18L /**<br>**HL18L / HSE18L**|2.5 (0.1)|0.0 (0.0)|3.5 (0.14)|0.0 (0.0)|



Pinouts, see table Technical data: Connection type/pinouts 

**==> picture [72 x 46] intentionally omitted <==**

**----- Start of picture text -----**<br>
2 1<br>3 4<br>**----- End of picture text -----**<br>


M12 male connector, 4-pin, A-coding 

**2026-04-30 03:01:58 | Data sheet Subject to change without notice** 

**PHOTOELECTRIC SENSORS | SICK** 

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**HL18L-F4A5AE | H18 Sure Sense** PHOTOELECTRIC SENSORS 

## Characteristic curve 

**==> picture [206 x 224] intentionally omitted <==**

**----- Start of picture text -----**<br>
Operating reserve<br>100<br>——<br>ee es es<br>a ee ee ee ee<br>Pot [ | | | |<br>4<br>10 SSS 3<br>5<br>wn NSNN<br>| 2.eS<br>NA [| AN NA]<br>PY IVE<br>6 2 1<br>1 PN [IN] LNAIN IN<br>0 2 4 6 8 10 12<br>(6.56) (13.12) (19.67) (26.25) (32.81) (39.37)<br>Distance in m (feet)<br>**----- End of picture text -----**<br>


① Reflector PL80A ② Reflector P250F 

③ PL10F reflector 

④ Reflector PL23 FT 

⑤ Reflective tape REF-AC1000 

⑥ Reflective tape IREF6000 (REF-IRF-56) 

## Light spot size 

**==> picture [370 x 226] intentionally omitted <==**

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mm (inch)<br>12<br>(0.47) PfTE Dimensions in mm (inch)<br>Sensing range  Vertical Horizontal<br>10 Pf tt a<br>(0.39) 0.2 m 1.2 2.65<br>Pf Tt) ttyA (0.57 feet) (0.05) (0.10)<br>8 Pf ft LY TO 0.75 m 1.8 2.3<br>(0.31) Pf | LL a (2.46 feet) (0.07) (0.09)<br>5 m 4.0 2.2<br>6 (16.40 feet) (0.16) (0.09)<br>| | |7<br>(0.24) 12 m 10.0 5.0<br>Pi fo f LAL (39.37 feet) (0.39) (0.20)<br>4 | tL<br>(0.16) Po | Kw| A| |lL LA Sa<br>2<br>SZ<br>(0.08)<br>| 6|lUdLerct<br>0 ee eee<br>2 4 6 8 10 12<br>(6.56) (13.12) (19.67) (26.25) (32.81) (39.37) Vertical<br>Distance in m (feet) Horizontal<br>**----- End of picture text -----**<br>


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**Data sheet | 2026-04-30 03:01:58 Subject to change without notice** 

**PHOTOELECTRIC SENSORS | SICK** 

**HL18L-F4A5AE | H18 Sure Sense** PHOTOELECTRIC SENSORS 

## Sensing range diagram 

**==> picture [183 x 121] intentionally omitted <==**

**----- Start of picture text -----**<br>
0.1 10 12<br>—<br>0.1 8 10<br>SS |<br>0.1 4 6<br>0.1/1.5 2.5<br>0.1 4 6<br>0.1/1.5 2.5<br>0 2 4 6 8 10 12 14<br>(6.56) (13.12) (19.69) (26.25) (32.81) (39.37) (45.93)<br>Distance in m (feet)<br>**----- End of picture text -----**<br>


Sensing range Sensing range max. 

① Reflector PL80A ② Reflector P250F ③ PL10F reflector 

④ Reflector PL23 FT 

⑤ Reflective tape REF-AC1000 

⑥ Reflective tape IREF6000 (REF-IRF-56) 

## Functions 

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**----- Start of picture text -----**<br>
100 % 100 % 100 % 100 % 100 %<br>= =<br>0 % 0 % 0 % 0 % 0 %<br>**----- End of picture text -----**<br>


**2026-04-30 03:01:58 | Data sheet Subject to change without notice** 

**PHOTOELECTRIC SENSORS | SICK** 

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**HL18L-F4A5AE | H18 Sure Sense** PHOTOELECTRIC SENSORS 

## Recommended accessories 

Other models and accessories www.sick.com/H18_Sure_Sense **Brief description Type part no.** Mounting systems • **Description:** Mounting bracket for M18 sensors BEF-WN-M18 5308446 • **Material:** Steel • **Details:** Steel, zinc coated • **Items supplied:** Without mounting hardware • **Suitable for:** GR18, V180-2, V18, W15, Z1, Z2 ~~=.~~ • **Description:** Universal mounting bracket for reflectors BEF-WN-REFX 2064574 • **Dimensions (W x H x L):** 85 mm x 90 mm x 35 mm • **Material:** Steel • **Details:** Steel, zinc coated • **Suitable for:** C110A, P250, PL20, PL30A, PL40A, PL80A ~~a~~ • **Description:** Plate N11N for universal clamp bracket BEF-KHS-N11N 2071081 • **Material:** Stainless steel • **Details:** Stainless steel 1.4571 (sheet), Stainless steel 1.4408 (clamp) • **Items supplied:** Universal clamp (5322627), mounting hardware • **Usable for:** DeltaPac, Glare, WTD20E ~~aez~~ reflectors and optics • **Description:** Fine triple reflector, screw connection, suitable for laser sensors P250F 5308843 • **Dimensions:** 52 mm 62 mm • **Ambient operating temperature:** –30 °C ... +65 °C ~~ss—=—rté<S~~ connectors and cables • **Description:** Sensor/actuator cable, unshielded YF2A14-050VB3XLEAX 2096235 • **Connection type head A:** Female connector, M12, 4-pin, straight, A-coded • **Connection type head B:** Flying leads • **Signal type:** Sensor/actuator cable • **Cable:** 5 m, 4-wire, PVC • **Application:** Uncontaminated zones, Zones with chemicals ~~Ne~~ • **Description:** Unshielded STE-1204-G 6009932 • **Connection type head A:** Male connector, M12, 4-pin, straight, A-coded • **Connection systems:** Screw-type terminals • **Permitted cross-section:** ≤ 0.75 mm² ~~S.C~~ • **Description:** Sensor/actuator cable, unshielded YF2A14-050UB3XLEAX 2095608 • **Connection type head A:** Female connector, M12, 4-pin, straight, A-coded • **Connection type head B:** Flying leads • **Signal type:** Sensor/actuator cable • **Cable:** 5 m, 4-wire, PUR, halogen-free • **Application:** Drag chain operation, Zones with oils and lubricants, Robot, Drag chain operation ~~NM~~ 

**Data sheet | 2026-04-30 03:01:58 Subject to change without notice** 

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**PHOTOELECTRIC SENSORS | SICK** 

## SICK At A GlAnCe 

SICK is one of the leading manufacturers of intelligent sensors and sensor solutions for industrial applications. A unique range of products and services creates the perfect basis for controlling processes securely and efficiently, protecting individuals from accidents and preventing damage to the environment. 

We have extensive experience in a wide range of industries and understand their processes and requirements. With intelligent sensors, we can deliver exactly what our customers need. In application centers in Europe, Asia and North America, system solutions are tested and optimized in accordance with customer specifications. All this makes us a reliable supplier and development partner. 

Comprehensive services complete our offering: SICK lifetime Services provide support throughout the machine life cycle and ensure safety and productivity. 

For us, that is “Sensor Intelligence.” 

## WOrldWIde preSenCe: 

Contacts and other locations www.sick.com 

SICK AG | Waldkirch | Germany | www.sick.com

Updated at April 23, 2026

SICK is a globally recognized leader in factory and logistics automation technology, renowned for engineering advanced sensors and developing innovative digital services. Driven by a commitment to high precision, reliability, and versatility, the company provides the foundational components required to transform traditional manufacturing processes into intelligent, self-optimizing systems that adapt autonomously using real-time data. Our comprehensive selection of SICK products is heavily focused on their industry-leading sensing technologies. We offer a robust portfolio of light sensors designed to deliver exceptional accuracy and performance in demanding industrial environments. Furthermore, our extensive range features high-quality proximity sensors and switches, providing the dependable object detection essential for automated production, packaging, and material handling applications. To ensure seamless integration of these advanced sensor networks, our offering is complemented by specialized connectivity solutions such as SICK fiber optic lead assemblies. From consumer goods and electronics to logistics and automotive manufacturing, SICK delivers the cutting-edge automation technology necessary to maximize operational efficiency and maintain continuous, reliable performance across diverse industrial sectors.

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