Techno TH387 - IP68 Mini Plug-and-Socket Connectors, Screw Coupling, 3 to 5 Poles

Techno TH387 is a mini plug-and-socket connector for cable-to-cable connections, locked by a screw coupling ring and sealed to IP66 / IP68. Techno s.r.l., of Guanzate near Como in Italy, designs and makes waterproof electrical connectors - the Tee Tube joints, Tee Plug plug-and-socket connectors and Tee Box junction boxes - for outdoor lighting and installations exposed to water and dust.

Six items: 3-, 4- and 5-pole plugs and sockets, most in a standard body for 7-12 mm cable and a long body (.L) for 7-13.5 mm. Each has its own page with its codes and price.

Choose your TH387

Prices are list prices per piece; each page gives the order codes.

• TH387 3-pole plug - 3 poles, 0.5-2.5 mm², 17.5 A, cable diameter 7-12 or 7-13.5 mm - Rs 1,285 per piece
• TH387 4-pole plug - 4 poles, 0.5-1.5 mm², 17.5 A, cable diameter 7-12 or 7-13.5 mm - Rs 1,345 per piece
• TH387 5-pole plug - 5 poles, 0.25-1.5 mm², 17.5 A, cable diameter 7-12 or 7-13.5 mm - Rs 1,510 per piece
• TH387 3-pole socket - 3 poles, 0.5-2.5 mm², 17.5 A, cable diameter 7-12 mm - Rs 1,285 per piece
• TH387 4-pole socket - 4 poles, 0.5-1.5 mm², 17.5 A, cable diameter 7-12 or 7-13.5 mm - Rs 1,345 per piece
• TH387 5-pole socket - 5 poles, 0.25-1.5 mm², 17.5 A, cable diameter 7-12 or 7-13.5 mm - Rs 1,510 per piece

How to choose

Pick the pole count, then one plug and one socket. 3-pole takes 0.5-2.5 mm², 4-pole 0.5-1.5 mm² and 5-pole 0.25-1.5 mm². Choose the long body (.L) for cable diameters up to 13.5 mm.

At a glance

• Items: 3-, 4- and 5-pole plugs and sockets
• Rating: 17.5 A, 500 V AC
• Cable outside diameter: 7-12 mm, or 7-13.5 mm (.L)
• Mating cycles: 1,000
• Degree of protection: IP66 / IP68
• Price: Rs 1,285 - 1,510 per piece

Technical data (common to the TH387 range)

• Configuration: mini plug-and-socket connector, cable-to-cable
• Coupling: screw coupling ring
• Terminal screws: M3, 0.8 Nm (5-pole: M2, 0.2 Nm)
• Mating cycles: 1,000 mating cycles
• Class II insulation: 250 V (Class II)
• Rated impulse voltage: 4 kV
• Insulation coordination: overvoltage category II, pollution degree 2
• Temperature range: -40 °C to +125 °C
• Operating temperature: +60 °C max. operating
• Impact resistance: IK07
• Tracking index: PTI 175
• Connector housing: PA66 glass-filled, UL94 V0
• Cable glands: PA66, UL94 V2
• Seals: TPE
• Grommets: TPE
• Contacts: brass
• Screws: steel
• Materials: halogen-free and silicone-free
• Tightening torques: gland to body 2.0 Nm; gland nut 2.5 Nm
• Corrosion: salt-mist tested to EN 60068-2-11
• Standard: EN 61984:2009

Why choose Techno TH387

• Screw coupling ring - a positive, vibration-proof lock
• IP66 / IP68 - Techno tests at 30 m for 3 hours
• Rated for 1,000 mating cycles
• 17.5 A, 500 V AC; Class II insulation for 250 V and 4 kV rated impulse voltage
• Compact - Ø 23 mm; long-body versions for 7-13.5 mm cable
• Halogen-free and silicone-free; built to EN 61984
• Tough body - glass-filled PA66 to UL94 V0, IK07

How it is installed

1. Slide the gland nut and seal over the cable, strip the sheath and connect the conductors to the screw terminals of the plug or socket, following the contact marking.
2. Assemble the connector and tighten the gland nut to the stated torque so the seal grips the cable sheath.
3. Mate the plug with its socket and lock the coupling. To disconnect, unlock the coupling and pull the halves apart.

Where it is used

• Detachable connections to luminaires and outdoor equipment
• Street, garden and facade lighting
• Pumps, fountains and irrigation equipment
• Signs, displays and temporary installations

Related products

• Techno TH381 micro plug-and-socket - push-pull, 2 or 3 poles
• Techno TH405 Tee Plug - bayonet plug-and-socket, 3 to 8 poles
• Techno TH391 in-line connectors - compact IP68 cable-to-cable joints, 3 to 5 poles
• Techno grommets and adapters - seal smaller or several cables in the glands
• All Techno IP68 waterproof connectors

Frequently asked questions

Do I need a plug and a socket?

Yes - each page is for one piece. A connection needs one plug and one socket with the same pole count.

Are some versions UL listed?

Yes - several TH387 codes carry UL 2238 / CSA C22.2 No.182.3 ratings; they are listed on each page.

How many times can it be connected?

Techno rates TH387 for 1,000 mating cycles.

Where can I buy Techno TH387 connectors in India?

From Jai Enterprises, Bhilai and Raipur, Chhattisgarh, which supplies Techno IP68 connectors across India. Call +91 9340081159 with the model, quantity and delivery location and we will confirm the price, availability and lead time.

How to order

Supplied by Jai Enterprises, Bhilai and Raipur, Chhattisgarh, to sites across India. Pick the size from the list above, then call +91 9340081159 or send an enquiry with the model, quantity and delivery location - we will confirm stock, lead time and the delivered cost of the connectors.