# Photo Sensor, 300 mm, NPN/PNP, Background Suppression, Proximity, 10 to 30 VDC, 4 Pin M12 Connector

![Product image](https://novapart.co/image/farnell:4390744/)

**URL**: https://novapart.co/products/HTB18-A4A2BB/photo-sensor-300-mm-npn-pnp-background-suppression
**SKU**: HTB18-A4A2BB
**Manufacturer**: SICK
**Price**: €138.5200
**Stock**: 10+
**Lead Time**: 57 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (21-Jan-2025) |
| Product Range | H18 Sure Sense Series |
| Sensing Method | Background Suppression, Proximity |
| Connection Method | 4 Pin M12 Connector |
| Sensing Range Max | 300mm |
| Sensor Output Type | NPN / PNP |
| Supply Voltage Dc Max | 30V |
| Supply Voltage Dc Min | 10V |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:4390744/)

HTB18-A4A2BB H18 Sure Sense 

**HYBRID PHOTOELECTRIC SENSORS** 

**HTB18-A4A2BB | H18 Sure Sense** HYBRID PHOTOELECTRIC SENSORS 

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**Type Part no.** ~~Po~~ HTB18-A4A2BB 1073426 Other models and accessories www.sick.com/H18_Sure_Sense 

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## Detailed technical data 

## Features 

|**Functional principle**|Photoelectric proximity sensor|
|---|---|
|**Functional principle detail**|Background suppression|
|**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.**|5 mm ... 300 mm1)|
|**Sensing range**|5 mm ... 150 mm2)|
|**Type of light**|Visible red light|
|**Light source**|PinPoint LED3)|
|**Light spot size (distance)**|7 mm (300 mm)|
|**Wave length**|631 nm|
|**Adjustment**||
|Potentiometer, right|Sensing range|
|Potentiometer, left|None|
|**Special features**|Signal strength light bar|



- 1) Object with 90% remission (based on standard white, DIN 5033). 

- 2) Object with 6 % reflectance (referred to standard black, DIN 5033). 

- 3) Average service life: 100,000 h at TU = +25 °C. 

**Product data sheet | 2024-03-12 16:10:49 Subject to change without notice** 

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**PHOTOELECTRIC SENSORS | SICK** 

**HTB18-A4A2BB | H18 Sure Sense** HYBRID PHOTOELECTRIC SENSORS 

## Mechanics/electronics 

|**Supply voltage**|10 V DC ... 30 V DC|
|---|---|
|**Ripple**|< 5 Vpp 1)|
|**Current consumption**|≤ 20 mA2)|
|**Switching output**|PNP, NPN|
|**Switching mode**|Dark switching|
|**Switching output detail**||
|Switching output Q1|PNP, Dark switching|
|Switching output Q2|NPN, Dark switching|
|**Output current Imax.**|≤ 100 mA|
|**Response time**|≤ 0.5 ms3)|
|**Switching frequency**|1,000 Hz4)|
|**Connection type**|Male connector M12, 4-pin|
|**Circuit protection**|A5)<br>B6)<br>D7)|
|**Protection class**|III|
|**Weight**|18 g|
|**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**|–40 °C ... +65 °C|
|**Ambient temperature, storage**|–40 °C ... +75 °C|
|**UL File No.**|E189383|



1) May not exceed or fall below Uv tolerances. 

2) Without signal strength light bar and load. 

- 3) Signal transit time with resistive load. 

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

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

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

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

## Safety-related parameters 

|**MTTFD**|523.9 years|
|---|---|
|**DCavg**|0 %|



## Classifications 

|**ECLASS 5.0**|27270904|
|---|---|
|**ECLASS 5.1.4**|27270904|
|**ECLASS 6.0**|27270904|
|**ECLASS 6.2**|27270904|



**2024-03-12 16:10:49 | Product data sheet Subject to change without notice** 

**PHOTOELECTRIC SENSORS | SICK** 

**3** 

**HTB18-A4A2BB | H18 Sure Sense** HYBRID PHOTOELECTRIC SENSORS 

|**ECLASS 7.0**|27270904|
|---|---|
|**ECLASS 8.0**|27270904|
|**ECLASS 8.1**|27270904|
|**ECLASS 9.0**|27270904|
|**ECLASS 10.0**|27270904|
|**ECLASS 11.0**|27270904|
|**ECLASS 12.0**|27270904|
|**ETIM 5.0**|EC002719|
|**ETIM 6.0**|EC002719|
|**ETIM 7.0**|EC002719|
|**ETIM 8.0**|EC002719|
|**UNSPSC 16.0901**|39121528|



## Connection/Pin assignment 

|**Connection type**||Male connector M12, 4-pin|
|---|---|---|
|**Pin assignment**|||
||BN 1|+ (L+)|
||WH 2|Q2|
||BU 3|- (M)|
||BK 4|Q1|



## Dimensional drawing (Dimensions in mm (inch)) 

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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>S|<br>tT Te<br>A<br>C<br>NG + tt<br>3<br>M12 x 1<br>0.9 (0.04)<br>2 M18 x 1<br>5<br>|<br>1<br><2iiilln |<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>


- 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 

**4 PHOTOELECTRIC SENSORS | SICK** 

**Product data sheet | 2024-03-12 16:10:49 Subject to change without notice** 

**HTB18-A4A2BB | H18 Sure Sense** HYBRID PHOTOELECTRIC SENSORS 

|**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)|



## Connection type 

Connection type. see table: Connection/PIN assignment 

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M12 male connector, 4-pin, A-coding Adjustments possible 

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① LED indicator yellow: Status of received light beam 

- ② LED indicator green: power on 

- ③ Signal strength light bar 

**2024-03-12 16:10:49 | Product data sheet Subject to change without notice** 

**PHOTOELECTRIC SENSORS | SICK** 

**5** 

**HTB18-A4A2BB | H18 Sure Sense** HYBRID PHOTOELECTRIC SENSORS 

## Characteristic curve 

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% of sensing range<br>25 TT<br>20 SoeeGeenenee<br>TTT<br>15 PTA<br>TTT<br>10 oon 6%/90% /eesenee 18%/90%<br>TA 1 2 T<br>90%/90%<br>5 AL A<br>we 2>anne? 3<br>0 er<br>0 50 100 150 200 250 300<br>(1.97) (3.94) (5.91) (7.87) (9.84) (11.81)<br>Distance in mm (inch)<br>**----- End of picture text -----**<br>


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①   Sensing range on black, 6% remission factor<br>**----- End of picture text -----**<br>


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②   Sensing range on gray, 18% remission factor<br>**----- End of picture text -----**<br>


- ③ Sensing range on white, 90% remission factor 

## Light spot size 

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mm (inch)<br>Ø 7 Ø 6 Ø 7<br>(0.28) (0.24) (0.28)<br>==<br>Ltof<br>0 150 300<br>(5.91) (11.81)<br>Distance in mm (inch)<br>Sensor<br>**----- End of picture text -----**<br>


## Sensing range diagram 

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5 20 150<br>—_< | |«<br>3 20 150 200<br>|<br>3 20 150 300<br>Of a<br>0 50 100 150 200 250 300<br>(1.97) (3.94) (5.91) (7.87) (9.84) (11.81)<br>Distance in mm (inch)<br>| Sensing range Sensing range max.<br>**----- End of picture text -----**<br>


- ① Sensing range on black, 6% remission factor 

- ② Sensing range on gray, 18% remission factor 

- ③ Sensing range on white, 90% remission factor 

**6** 

**Product data sheet | 2024-03-12 16:10:49 Subject to change without notice** 

**PHOTOELECTRIC SENSORS | SICK** 

**HTB18-A4A2BB | H18 Sure Sense** HYBRID PHOTOELECTRIC SENSORS 

Functions 

Sensing range min.g range min. range min.ge min.e min. Set switchingg pointoint 

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Sensing range min.g range min. range min.ge min.e min. Set switchingg pointoint Sensing range max.<br>i<br>100 % 100 % 100 % 100 % 100 % 100 % 100 % 100 %<br>0 % 0 % 0 % 0 % 0 % 0 % 0 % 0 %<br>**----- End of picture text -----**<br>


## Recommended accessories 

Other models and accessories www.sick.com/H18_Sure_Sense 

||**Brief description**|**Type**|**Part no.**|
|---|---|---|---|
|Plug connectors and cables||||
|Ye|• **Connection type head A:**Female connector, M12, 4-pin, straight, A-coded<br>• **Connection type head B:**Flying leads<br>• **Signal type:**Sensor/actuator cable<br>• **Cable:**5 m, 4-wire, PVC<br>• **Description:**Sensor/actuator cable, unshielded<br>• **Application:**Zones with chemicals|YF2A14-<br>050VB3XLEAX|2096235|
|@s|• **Connection type head A:**Male connector, M12, 4-pin, straight<br>• **Description:**Unshielded<br>• **Connection systems:**Screw-type terminals<br>• **Permitted cross-section:**≤ 0.75 mm²|STE-1204-G|6009932|



**2024-03-12 16:10:49 | Product data sheet Subject to change without notice** 

**PHOTOELECTRIC SENSORS | SICK** 

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## 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 



## Links

- [View this product on Novapart](https://novapart.co/products/HTB18-A4A2BB/photo-sensor-300-mm-npn-pnp-background-suppression)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/sick/htb18-a4a2bb/photoelectric-sensor-300mm-npn/dp/4390744)
---

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