IA12ESN04UC

Inductive Proximity Sensor, Type IA Series, Cylindrical, 4mm, NAMUR, 10 V to 40 V

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

Manufacturer: CARLO GAVAZZI
Product type: Inductive Proximity Sensors
SVHC: No SVHC (25-Jun-2025)
IP Rating: IP67
Sensor Type: Inductive Proximity Sensor
Product Range: IA Series
Sensor Terminals: Cable
Sensor Output Type: NAMUR
Supply Voltage Max: 9VDC
Supply Voltage Min: 7VDC
Sensing Distance Max: -
Sensing Distance Min: -
Sensing Distance Nom: 4mm
Sensor Body Material: Stainless Steel
Sensor Case / Package: Cylindrical M12 Thread
Operating Temperature Max: 70°C
Operating Temperature Min: -20°C

Delivery and price
Units per pack	50
Price	32.49 €
Current stock	10+
Lead time	30 days

Datasheet

**Proximity Sensors Inductive Stainless Steel Housing Types IA, M12, M18 and M30, NAMUR** 

- **Stainless steel housing, cylindrical** 

- **Diameter: M12, M18, M30** 

- **Short or long versions** 

- **Sensing distance: 2 to 15 mm** 

- **Output: NAMUR EN 50 227** 

- **Protection: Reverse polarity** 

- **LED-indication** 

**• 2 m cable or plug M12** 

## **Product Description** 

Proximity switch in  M12, M18 and M30 stainless steel housing. Made in accordance with Euronorm EN 50 227 and EN 

60 947-5-2. For thermoplastic housing refer to type IA 12C.... Amplifier relay SD.... is available. 

OK **Ordering Key IA 12 ESF 02 UC M1 Type Housing size Housing type** ~~—~~ **Sensing function Sensing distance Output type Plug** 

## **Type Selection** 

**==> picture [470 x 289] intentionally omitted <==**

**----- Start of picture text -----**<br>
|||||||
|---|---|---|---|---|---|
|Housing|Body|Connection|Rated operating|Ordering no.|
|diameter|style|distance (Sn)|Namur|
|M12|Short|Cable|2 mm|[1)]|IA 12 ESF 02 UC|
|M12|Short|Plug|2 mm|[1)]|IA 12 ESF 02 UC M1|
|M12|Long|Cable|2 mm|[1)]|IA 12 ELF 02 UC|
|M12|Long|Plug|2 mm|[1)]|IA 12 ELF 02 UC M1|
|M12|Short|Cable|4 mm|[2)]|IA 12 ESN 04 UC|
|M12|Short|Plug|4 mm|[2)]|IA 12 ESN 04 UC M1|
|M12|Long|Cable|4 mm|[2)]|IA 12 ELN 04 UC|
|M12|Long|Plug|4 mm|[2)]|IA 12 ELN 04 UC M1|
|M18|Short|Cable|5 mm|[1)]|IA 18 ESF 05 UC|
|M18|Short|Plug|5 mm|[1)]|IA 18 ESF 05 UC M1|
|M18|Long|Cable|5 mm|[1)]|IA 18 ELF 05 UC|
|M18|Long|Plug|5 mm|[1)]|IA 18 ELF 05 UC M1|
|M18|Short|Cable|8 mm|[2)]|IA 18 ESN 08 UC|
|M18|Short|Plug|8 mm|[2)]|IA 18 ESN 08 UC M1|
|M18|Long|Cable|8 mm|[2)]|IA 18 ELN 08 UC|
|M18|Long|Plug|8 mm|[2)]|IA 18 ELN 08 UC M1|
|M30|Short|Cable|10 mm|[1)]|IA 30 ESF 10 UC|
|M30|Short|Plug|10 mm|[1)]|IA 30 ESF 10 UC M1|
|M30|Long|Cable|10 mm|[1)]|IA 30 ELF 10 UC|
|M30|Long|Plug|10 mm|[1)]|IA 30 ELF 10 UC M1|
|M30|Short|Cable|15 mm|[2)]|IA 30 ESN 15 UC|
|M30|Short|Plug|15 mm|[2)]|IA 30 ESN 15 UC M1|
|M30|Long|Cable|15 mm|[2)]|IA 30 ELN 15 UC|
|M30|Long|Plug|15 mm|[2)]|IA 30 ELN 15 UC M1|

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


- 1) For flush mounting in metal 

2) For non-flush mounting in metal 

**1** 

Specifications are subject to change without notice (19.05.05) 

**IA 12, IA 18, IA 30, NAMUR** 

## **Specifications** 

|**Rated operational volt.**|(Ue)|8.2 VDC|
|---|---|---|
||(UB)|7 to 9 VDC|
|**Self-inductance**<br>**Self-capacitance**||(6 to 35 VDC, all specifica-<br>tions not observed in<br>extended supplyrange)<br>≤500µH<br>≤120 nF|
|**No-load supply current**<br>**Protection**|(Io)|Activated:≤1 mA<br>Not activated:≥2.2 mA<br>Max. 9.35 mA<br>Reversepolarity|
|**Transient voltage**||≤1 kV/0.5 J|
|**EMC**||Approved according to|
|**Power ON delay**<br>**Frequency of operating**<br>**cycles**(f)||EN 50 080,EN 50 081<br>< 10 ms<br>**IA12xxF02**<br>1.400 Hz<br>**IA12xxN04** 1.200 Hz|
|||**IA18xxF05**<br>500 Hz|
|||**IA18xxN08**<br>200 Hz|
|||**IA30xxF10**<br>300 Hz|
|**Indication not activated**<br>**Assured operating dist.**(Sa)||**IA30xxF15**<br>100 Hz<br>LED, yellow<br>0≤Sa≤0.81 Sn|
|**Repeat accuracy**(R)||≤5%|



|**Hysteresis**(H)||
|---|---|
|(Differential travel)|1 to 15% of sensingdistance|
|**Effective operating dist.**(Sr)|0.9 x Sn≤Sr≤1.1 x Sn|
|**Usable operating dist.**(S)|0.9 x Sr≤Su≤1.1 x Sr|
|**Ambient temperature**||
|Operating|-25° to +70°C (-13° to +158°F)|
|Storage|-30° to +80°C(-22° to +176°F)|
|**Degree ofprotection**|IP 67(Nema 1,3,4,6,13)|
|**Housing material**||
|Body|Stainless Steel (1.4301)|
|Front|Grey thermoplastic polyester|
|Back|Black thermoplasticpolyester|
|**Connection**||
|Cable|2 m, 2 x 0.5 mm2,|
||grey PVC, oil proof|
|Plug|M12 x 1|
|Cables forplug (-1)|CONH1A series|
|**Weight**(cable excluded)|**IA 12xx**<br>20 g|
||**IA 18xxF05**<br>26 g|
||**IA 18xxN08**<br>30 g|
||**IA 30xxF10**<br>75 g|
||**IA 30xxN15**<br>80g|
|**Tightening torque**|**IA 12**<br>7.5 Nm|
||**IA 18**<br>27.5 Nm|
||**IA 30**<br>100    Nm|
|**Approvals**|UL|
|**CE-marking**|Yes|



## **Dimensions** 

|**Dimensions**||||||||
|---|---|---|---|---|---|---|---|
|**Type**|**A**|**B**<br>**Ø mm**|**C**<br>**mm**|**D**<br>**mm**|**E**<br>**mm**|**F**<br>**mm **|**SW**<br> **mm**|
|**IA 12 ESF 02 UC**<br>**IA 12 ELF 02 UC**<br>**IA 12 ESF 02 UC M1**<br>**IA 12 ELF 02 UC M1**<br>**IA 12 ESN 04 UC**<br>**IA 12 ELN 04 UC**<br>**IA 12 ESN 04 UC M1**<br>**IA 12 ELN 04 UC M1**<br>**IA 18 ESF 05 UC**<br>**IA 18 ELF 05 UC**<br>**IA 18 ESF 05 UC M1**<br>**IA 18 ELF 05 UC M1**<br>**IA 18 ESN 08 UC**<br>**IA 18 ELN 08 UC**<br>**IA 18 ESN 08 UC M1**<br>**IA 18 ELN 08 UC M1**<br>**IA 30 ESF 10 UC**<br>**IA 30 ELF 10 UC**<br>**IA 30 ESF 10 UC M1**<br>**IA 30 ELF 10 UC M1**<br>**IA 30 ESN 15 UC**<br>**IA 30 ELN 15 UC**<br>**IA 30 ESN 15 UC M1**<br>**IA 30 ELN 15 UC M1**|M12 x 1 x 30<br>M12 x 1 x 50<br>M12 x 1 x 30<br>M12 x 1 x 50<br>M12 x 1 x 30<br>M12 x 1 x 50<br>M12 x 1 x 30<br>M12 x 1 x 50<br>M18 x 1 x 30<br>M18 x 1 x 50<br>M18 x 1 x 30<br>M18 x 1 x 50<br>M18 x 1 x 30<br>M18 x 1 x 50<br>M18 x 1 x 30<br>M18 x 1 x 50<br>M30 x 1.5 x 30<br>M30 x 1.5 x 50<br>M30 x 1.5 x 30<br>M30 x 1.5 x 50<br>M30 x 1.5 x 30<br>M30 x 1.5 x 50<br>M30 x 1.5 x 30<br>M30 x 1.5 x 50|10.7<br>10.7<br>10.7<br>10.7<br>10.7<br>10.7<br>10.7<br>10.7<br>16.7<br>16.7<br>16.7<br>16.7<br>16.7<br>16.7<br>16.7<br>16.7<br>28<br>28<br>28<br>28<br>28<br>28<br>28<br>28|30<br>50<br>30<br>50<br>34<br>54<br>34<br>54<br>30<br>50<br>30<br>50<br>38<br>58<br>38<br>58<br>30<br>50<br>30<br>50<br>42<br>62<br>42<br>62|11<br>11<br>12.6<br>12.6<br>11<br>11<br>12.6<br>12.6<br>11.6<br>11.6<br>13.1<br>13.1<br>11.6<br>11.6<br>13.1<br>13.1<br>13.6<br>13.6<br>13.6<br>13.6<br>13.6<br>13.6<br>13.6<br>13.6|5.0<br>5.0<br>11.9<br>11.9<br>5.0<br>5.0<br>11.9<br>11.9<br>15.4<br>15.4<br>11.9<br>11.9<br>15.4<br>15.4<br>11.9<br>11.9<br>15.4<br>15.4<br>11.9<br>11.9<br>15.4<br>15.4<br>11.9<br>11.9|4<br>4<br>4<br>4<br>4<br>4<br>4<br>4<br>4<br>4<br>4<br>4<br>4<br>4<br>4<br>4<br>5<br>5<br>5<br>5<br>5<br>5<br>5<br>5|17<br>17<br>17<br>17<br>17<br>17<br>17<br>17<br>24<br>24<br>24<br>24<br>24<br>24<br>24<br>24<br>36<br>36<br>36<br>36<br>36<br>36<br>36<br>36|



**2** 

Specifications are subject to change without notice (19.05.05) 

**IA 12, IA 18, IA 30, NAMUR** 

**==> picture [448 x 89] intentionally omitted <==**

**----- Start of picture text -----**<br>
Dimensions (cont.)<br>C D E C D E<br>F F M12 x 1<br>Cable type SW A LED Plug type SW A LED<br>B B<br>**----- End of picture text -----**<br>


## **Installation Hints** 

**==> picture [436 x 107] intentionally omitted <==**

**----- Start of picture text -----**<br>
To avoid interference from inductive voltage/ Relief of cable strain Protection of the sensing face  Switch mounted on mobile carrier<br>current peaks, separate the prox. switch pow-<br>er cables from any other power cables, e.g.<br>motor, contactor or solenoid cables<br>Incorrect<br>Correct<br>The cable should not be pulled A proximity switch should not serve as Any repetitive flexing of the<br>mechanical stop cable should be avoided<br>**----- End of picture text -----**<br>


## **Wiring Diagram** 

## **Power Supplies** 

> SD 110/210 Refer to Technical information. > SD 170/270 

**==> picture [57 x 90] intentionally omitted <==**

**----- Start of picture text -----**<br>
BN +<br>R 1 K<br>8.2 V<br>BU -<br>**----- End of picture text -----**<br>


**3** 

Specifications are subject to change without notice (19.05.05)

Updated at April 21, 2026

Founded in Milan in 1931, Carlo Gavazzi is a globally recognized leader in the design and manufacture of high-quality automation components. For nearly a century, the company has driven technological innovation in the industrial and building automation markets. With ISO 9001-certified production facilities across Europe and Asia, Carlo Gavazzi delivers state-of-the-art solutions tailored for demanding applications, including HVAC, renewable energy, semiconductor manufacturing, and electric vehicle charging infrastructure. Our extensive portfolio of Carlo Gavazzi components focuses heavily on their industry-leading switching and sensing technologies. We carry a comprehensive selection of solid state relays, contactors, and power relays engineered for exceptional reliability and thermal performance. Alongside these robust switching solutions, our range features a wide array of precision sensors, with a strong emphasis on proximity switches and light sensors that are critical for automated manufacturing processes, mobile equipment, and access control systems. Beyond core sensing and switching, the Carlo Gavazzi lineup extends into essential power management, circuit protection, and control devices. This includes highly efficient AC/DC converters, thermal magnetic circuit breakers, and advanced panel instrumentation designed to monitor and optimize energy efficiency. From current sensing transformers to motor starters, engineers consistently trust Carlo Gavazzi to provide competitive, dependable, and forward-thinking components for their most complex automation challenges.

About Novapart

Novapart is a B2B electronic component broker specialising in stock shortages and cost reduction. We source hard-to-find parts and identify compliant alternatives across a catalogue of 540,000+ components from 500+ manufacturers.

Learn more →

Stock Shortage Specialist

When a component is unavailable, discontinued or has an unacceptable lead time, we tap into our network of vetted European and Asian distributors to source what you need — without compromising on quality or traceability.

Request a quote →

Compliant Alternatives

We identify pin-to-pin, electrically equivalent substitutes that meet the same certifications (RoHS, AEC-Q100, REACH) as your original specification — validated against datasheets, not just part numbers. Often at a lower cost.

BOM Analysis service →