
ATEX plugs 16A | 32A | 63A | 125A
HARDO HSP1P******PLG
ATEX marking
II 2 G Ex db eb IIC T6….T4 Gb
II 2 D Ex tb IIIC T80°C Db
Technical specifications
Downloads

A comparison with brands from Germany, Italy and Croatia revealed an average price difference of 30 per cent, with no apparent difference in build quality.

We top up our stock on an ongoing basis to ensure that the most popular variants are available straight away.

We design and manufacture socket sets and distribution boards for Ex zones, tailored to the requirements of the installation.

Are our products of high quality? Book a visit to our demo centre and compare them with solutions from other companies.

Ex SOCKETS AND PLUGS
Main electrical parameters
CURRENT | Voltage (AC/DC) | POLES |
|---|---|---|
16A | 🟣 20~25V AC / 🟣 20~25V DC | 2P |
32A | ⚪ 36~50V AC / ⚪ 36~50V DC | 3P (2P + PE) |
63A | 🟡 110~130V AC / 🔵 50~250V DC | 3P (1P + N + PE) |
125A | 🔵 200~250V AC | 4P (3P + PE) |
🔵 - color of the socket and plug indicating the voltage range. |
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CHECK PRICES / BECOME A DISTRIBUTOR
Price list for Ex sockets and plugs
Ex plugs
Key design features
of HARDO HSP1P connectors

Protection against accidental connection – different body colours depending on the operating voltage, facilitating quick and safe identification
Integrated internal earthing – ensuring continuity of protection against electric shock throughout the plug-socket system
Option to lock the socket with a padlock – additional protection against unauthorised access or accidental use
Housing made of glass-fibre-reinforced BMC resin – high mechanical strength, antistatic properties and thermal resistance
Ex plug for 16A

CURRENT | POLES | AC/DC PART NO. | AC/DC VOLTAGE | DATA SHEET |
|---|---|---|---|---|
16A | 2P | HSP1P 16 AC25 2P PLG / HSP1P 16 DC25 2P LPG HSP1P 16 AC50 2P W-SCT / HSP1P 16 DC50 2P W-SCT | 🟣 20~25V AC / 20~25V DC ⚪ 36~50V AC / 36~50V DC | Download |
16A | 3P (2P + PE) | HSP1P 16 AC25 3P PLG / HSP1P 16 DC25 3P PLG HSP1P 16 AC50 3P PLG / HSP1P 16 DC50 3P PLG HSP1P 16 AC130 3P PLG HSP1P 16 AC250 3P PLG / HSP1P 16 DC250 3P PLG | 🟣 20~25V AC / 20~25V DC ⚪ 36~50V AC / 36~50V DC 🟡 110~130V AC 🔵 200~250V / 50~250VAC | Download |
16A | 3P (1P + N + PE) | HSP1P 16 AC25 3P PLG HSP1P 16 AC50 3P PLG HSP1P 16 AC130 3P PLG | 🟣 20~25V AC ⚪ 36~50V AC 🟡 110~130V AC | Download |
16A | 4P (3P + PE) | HSP1P 16 AC250 4P PLG HSP1P 16 AC415 4P PLG HSP1P 16 AC500 4P PLG HSP1P 16 AC690 4P PLG | 🔵 200~250V AC 🔴 380~415V AC ◯ 480~500V AC ◯ 600~690V AC | Download |
16A | 5P (3P + N + PE) | HSP1P 16 AC250 5P PLG HSP1P 16 AC415 5P PLG HSP1P 16 AC500 5P PLG HSP1P 16 AC690 5P PLG | 🔵 200~250V AC 🔴 380~415V AC ◯ 480~500V AC ◯ 600~690V AC | Download |
Ambient temperature: -45°C to +65°C | Degree of protection: IP66 | Cable entry: M25 cable gland + M25 blanking plug Integrated switch: ON / OFF switching by rotating the plug in the socket |
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AC/DC PART NO. | POLES | AC/DC VOLTAGE |
|---|---|---|
HSP1P 16 AC25 2P PLG / HSP1P 16 DC25 2P LPG HSP1P 16 AC50 2P W-SCT / HSP1P 16 DC50 2P W-SCT | 2P | 🟣 20~25V AC / 20~25V DC ⚪ 36~50V AC / 36~50V DC |
Download |
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HSP1P 16 AC25 3P PLG / HSP1P 16 DC25 3P PLG HSP1P 16 AC50 3P PLG / HSP1P 16 DC50 3P PLG HSP1P 16 AC130 3P PLG HSP1P 16 AC250 3P PLG / HSP1P 16 DC250 3P PLG | 3P (2P + PE) | 🟣 20~25V AC / 20~25V DC ⚪ 36~50V AC / 36~50V DC 🟡 110~130V AC 🔵 200~250V / 50~250VAC |
Download |
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HSP1P 16 AC25 3P PLG HSP1P 16 AC50 3P PLG HSP1P 16 AC130 3P PLG | 3P (1P + N + PE) | 🟣 20~25V AC ⚪ 36~50V AC 🟡 110~130V AC |
Download |
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HSP1P 16 AC250 4P PLG HSP1P 16 AC415 4P PLG HSP1P 16 AC500 4P PLG HSP1P 16 AC690 4P PLG | 4P (3P + PE) | 🔵 200~250V AC 🔴 380~415V AC ◯ 480~500V AC ◯ 600~690V AC |
Download |
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HSP1P 16 AC250 5P PLG HSP1P 16 AC415 5P PLG HSP1P 16 AC500 5P PLG HSP1P 16 AC690 5P PLG | 5P (3P + N + PE) | 🔵 200~250V AC 🔴 380~415V AC ◯ 480~500V AC ◯ 600~690V AC |
Download |
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Ambient temperature: -45°C to +65°C | Degree of protection: IP66 | Cable entry: M25 cable gland + M25 blanking plug Integrated switch: ON / OFF switching by rotating the plug in the socket |
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Ex plug for 32A

CURRENT | POLES | AC/DC PART NO. | AC/DC VOLTAGE | DATA SHEET |
|---|---|---|---|---|
32A | 3P (2P + PE) | HSP1P 32 AC250 3P PLG HSP1P 32 AC415 3P PLG HSP1P 32 AC500 3P PLG | 🔵 200~250V AC 🔴 380~415V AC ◯ 480~500V AC | Download |
32A | 4P (3P + PE) | HSP1P 32 AC250 4P PLG HSP1P 32 AC415 4P PLG HSP1P 32 AC500 4P PLG HSP1P 32 AC690 4P PLG | 🔵 200~250V AC 🔴 380~415V AC ◯ 480~500V AC ◯ 600~690V AC | Download |
32A | 5P (3P + N + PE) | HSP1P 32 AC250 5P PLG HSP1P 32 AC415 5P PLG HSP1P 32 AC500 5P PLG HSP1P 32 AC690 5P PLG | 🔵 200~250V AC 🔴 380~415V AC ◯ 480~500V AC ◯ 600~690V AC | Download |
Ambient temperature: -45°C to +65°C | Degree of protection: IP66 | Cable entry: M25 cable gland + M25 blanking plug Integrated switch: ON / OFF switching by rotating the plug in the socket |
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AC/DC PART NO. | POLES | AC/DC VOLTAGE |
|---|---|---|
HSP1P 32 AC250 3P PLG HSP1P 32 AC415 3P PLG HSP1P 32 AC500 3P PLG | 3P (2P + PE) | 🔵 200~250V AC 🔴 380~415V AC ◯ 480~500V AC |
Download |
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HSP1P 32 AC250 4P PLG HSP1P 32 AC415 4P PLG HSP1P 32 AC500 4P PLG HSP1P 32 AC690 4P PLG | 4P (3P + PE) | 🔵 200~250V AC 🔴 380~415V AC ◯ 480~500V AC ◯ 600~690V AC |
Download |
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HSP1P 32 AC250 5P PLG HSP1P 32 AC415 5P PLG HSP1P 32 AC500 5P PLG HSP1P 32 AC690 5P PLG | 5P (3P + N + PE) | 🔵 200~250V AC 🔴 380~415V AC ◯ 480~500V AC ◯ 600~690V AC |
Download |
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Ambient temperature: -45°C to +65°C | Degree of protection: IP66 | Cable entry: M25 cable gland + M25 blanking plug Integrated switch: ON / OFF switching by rotating the plug in the socket |
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Ex plug for 63A

CURRENT | POLES | AC/DC PART NO. | AC/DC VOLTAGE | DATA SHEET |
|---|---|---|---|---|
63A | 4P (3P + PE) | HSP1P 63 AC250 4P PLG HSP1P 63 AC415 4P PLG HSP1P 63 AC500 4P PLG HSP1P 63 AC690 4P PLG | 🔵 200~250V AC 🔴 380~415V AC ◯ 480~500V AC ◯ 600~690V AC | Download |
63A | 5P (3P + N + PE) | HSP1P 63 AC250 5P PLG HSP1P 63 AC415 5P PLG HSP1P 63 AC500 5P PLG HSP1P 63 AC690 5P PLG | 🔵 200~250V AC 🔴 380~415V AC ◯ 480~500V AC ◯ 600~690V AC | Download |
Ambient temperature: -45°C to +65°C | Degree of protection: IP66 | Cable entry: M25 cable gland + M25 blanking plug Integrated switch: ON / OFF switching by rotating the plug in the socket |
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AC/DC PART NO. | POLES | AC/DC VOLTAGE |
|---|---|---|
HSP1P 63 AC250 4P PLG HSP1P 63 AC415 4P PLG HSP1P 63 AC500 4P PLG HSP1P 63 AC690 4P PLG | 4P (3P + PE) | 🔵 200~250V AC 🔴 380~415V AC ◯ 480~500V AC ◯ 600~690V AC |
Download |
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HSP1P 63 AC250 5P PLG HSP1P 63 AC415 5P PLG HSP1P 63 AC500 5P PLG HSP1P 63 AC690 5P PLG | 5P (3P + N + PE) | 🔵 200~250V AC 🔴 380~415V AC ◯ 480~500V AC ◯ 600~690V AC |
Download |
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Ambient temperature: -45°C to +65°C | Degree of protection: IP66 | Cable entry: M25 cable gland + M25 blanking plug Integrated switch: ON / OFF switching by rotating the plug in the socket |
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Ex plug for 125A

CURRENT | POLES | AC/DC PART NO. | AC/DC VOLTAGE | DATA SHEET |
|---|---|---|---|---|
125A | 4P (3P + PE) | HSP1P 125 AC250 4P PLG HSP1P 125 AC415 4P PLG HSP1P 125 AC500 4P PLG HSP1P 125 AC690 4P PLG | 🔵 200~250V AC 🔴 380~415V AC ◯ 480~500V AC ◯ 600~690V AC | Download |
125A | 4P (3P + PE + NO) | HSP1P 125 AC250 4P PLG HSP1P 125 AC415 4P PLG HSP1P 125 AC500 4P PLG HSP1P 125 AC690 4P PLG | 🔵 200~250V AC 🔴 380~415V AC ◯ 480~500V AC ◯ 600~690V AC | Download |
125A | 5P (3P + N + PE) | HSP1P 125 AC250 5P PLG HSP1P 125 AC415 5P PLG HSP1P 125 AC500 5P PLG HSP1P 125 AC690 5P PLG | 🔵 200~250V AC 🔴 380~415V AC ◯ 480~500V AC ◯ 600~690V AC | Download |
125A | 5P (3P + N + PE + NO) | HSP1P 125 AC250 5P PLG HSP1P 125 AC415 5P PLG HSP1P 125 AC500 5P PLG HSP1P 125 AC690 5P PLG | 🔵 200~250V AC 🔴 380~415V AC ◯ 480~500V AC ◯ 600~690V AC | Download |
Ambient temperature: -45°C to +65°C | Degree of protection: IP66 | Cable entry: M25 cable gland + M25 blanking plug Integrated switch: ON / OFF switching by rotating the plug in the socket |
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AC/DC PART NO. | POLES | AC/DC VOLTAGE |
|---|---|---|
HSP1P 125 AC250 4P PLG HSP1P 125 AC415 4P PLG HSP1P 125 AC500 4P PLG HSP1P 125 AC690 4P PLG | 4P (3P + PE) | 🔵 200~250V AC 🔴 380~415V AC ◯ 480~500V AC ◯ 600~690V AC |
Download |
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HSP1P 125 AC250 4P PLG HSP1P 125 AC415 4P PLG HSP1P 125 AC500 4P PLG HSP1P 125 AC690 4P PLG | 4P (3P + PE + NO) | 🔵 200~250V AC 🔴 380~415V AC ◯ 480~500V AC ◯ 600~690V AC |
Download |
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HSP1P 125 AC250 5P PLG HSP1P 125 AC415 5P PLG HSP1P 125 AC500 5P PLG HSP1P 125 AC690 5P PLG | 5P (3P + N + PE) | 🔵 200~250V AC 🔴 380~415V AC ◯ 480~500V AC ◯ 600~690V AC |
Download |
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HSP1P 125 AC250 5P PLG HSP1P 125 AC415 5P PLG HSP1P 125 AC500 5P PLG HSP1P 125 AC690 5P PLG | 5P (3P + N + PE + NO) | 🔵 200~250V AC 🔴 380~415V AC ◯ 480~500V AC ◯ 600~690V AC |
Download |
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Ambient temperature: -45°C to +65°C | Degree of protection: IP66 | Cable entry: M25 cable gland + M25 blanking plug Integrated switch: ON / OFF switching by rotating the plug in the socket |
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High resistance to
and chemicals
The glass-fibre-reinforced polyester (GRP) used in the manufacture of the HCS1P sockets was selected to ensure maximum protection against corrosive agents and UV radiation.

Mobile demonstration centre
Are you facing a project in the Ex sector? Do you feel that your knowledge isn’t quite up to scratch? Are you looking for a long-term supplier or considering changing your current one?
Any one of these reasons is enough to book a visit from our mobile demonstration centre.
Why do our customers book a visit from the mobile demo centre?
They want to compare the quality and functionality of HARDO’s solutions and those of other manufacturers directly at their own site
They need to train the team in the installation and selection of Ex equipment
They are working on standardising equipment within their company and are looking for the best options
They want to speed up the purchasing process by viewing and testing the equipment in person
They want to assess not only the technical specifications, but also the ergonomics and ease of use of the products
They value direct contact and the opportunity to talk to engineers
See for yourself!
See what our products look like in real life and choose the ones you need
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