IP68 In-Line Cable Connector, 4-Pole, 0.5-4.0 sq mm, 32 A - Techno TH391 (THB.391.A4A)

4 poles, 0.5-4.0 mm², 32 A, 450 V AC; cable diameter 7-12 or 7-13.5 mm. Techno TH391 4-pole is a compact in-line (cable-to-cable) connector - Techno's Mini Tee Tube "I" - that joins two cables on screw terminals inside an IP68 body. It is made in two versions: THB.391.A4A for cable 7-12 mm (Ø 23 x 66 mm) and THB.391.A4A.L for cable 7-13.5 mm (Ø 23 x 100 mm). List price Rs 1,445 per piece.

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.

Is this the right one for you?

Check these five things before you order:

• You need a 4-pole connection.
• Each conductor is 0.5-4.0 mm² - flexible cords such as H05 / H07 types.
• The cable outside diameter is 7-12 or 7-13.5 mm.
• The circuit is within 32 A and 450 V AC.
• The connection needs IP68.

At a glance

• Price: Rs 1,445 per piece
• Order codes: THB.391.A4A, THB.391.A4A.L
• Poles: 4 (marking 1-2-3-4)
• Conductors: 0.5-4.0 mm²
• Rating: 32 A, 450 V AC
• Cable outside diameter: 7-12 or 7-13.5 mm
• Degree of protection: IP68 (Techno test for THB.391.A4A: 30 m / 2 h)

Specifications

• Product: Techno TH391 4-pole
• Poles: 4
• Contact marking: 1-2-3-4
• Terminals: screw
• Conductor cross-section: 0.5-4.0 mm²
• Rated current: 32 A
• Rated voltage: 450 V AC
• THB.391.A4A: cable diameter 7-12 mm; Ø 23 x 66 mm; IP68 (Techno test: 30 m / 2 h); 24.4 g; box of 200
• THB.391.A4A.L: cable diameter 7-13.5 mm; Ø 23 x 100 mm; IP68; 31.5 g; box of 200
• Configuration: in-line joint (cable-to-cable)
• Installation: fixed connection, re-openable for inspection
• Terminal screws: M3, 0.8 Nm (5-pole: M2, 0.2 Nm)
• Impact resistance: IK07
• T-marking: T85 °C
• Tracking index: PTI 250
• 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
• Cable type: H05/H07 flexible cords
• Tightening torques: gland to body 2.0 Nm; gland nut 2.5 Nm
• Corrosion: salt-mist tested to EN 60068-2-11
• Standard: EN 60998-1:2004

Why choose Techno TH391

• IP68 - the joint is sealed against dust and immersion; Techno tests the 3- and 4-pole versions at 30 m for 2 hours
• Compact - Ø 23 mm body, for cables from 7 to 13.5 mm in diameter
• Screw terminals - brass contacts, so the connection is made with an ordinary screwdriver
• Re-openable - a fixed connection that can be opened for inspection
• Tough body - glass-filled PA66 to UL94 V0, impact rated IK07
• Halogen-free and silicone-free; salt-mist tested to EN 60068-2-11
• Built to EN 60998-1

How it is installed

1. Slide the gland nuts and seals over the cable ends, then strip the sheath and the conductors.
2. Connect each conductor to its screw terminal, following the contact marking, and tighten the terminal screws to the stated torque.
3. Screw the glands onto the body and tighten the gland nuts to the stated torques, so the seals grip the cable sheaths and the joint is sealed to IP68.

Where it is used

• Street, garden, path and facade lighting
• In-ground and underwater luminaires, fountains and pools
• LED signage and outdoor displays
• Pumps, irrigation and outdoor equipment
• Cable runs in pits, ducts and other wet locations

Other sizes and versions

The Techno TH391 Mini Tee Tube overview page compares all 4 side by side.

• TH391 3-pole - 3 poles, 0.5-4.0 mm², 32 A, cable diameter 7-12 or 7-13.5 mm - Rs 1,355 per piece
• TH391 4-pole - 4 poles, 0.5-4.0 mm², 32 A, cable diameter 7-12 or 7-13.5 mm - Rs 1,445 per piece (this page)
• TH391 5-pole - 5 poles, 0.25-1.5 mm², 17.5 A, cable diameter 7-12 or 7-13.5 mm - Rs 2,415 per piece
• TH391 4-pole xDRY - 4 poles, 0.5-1.5 mm², 17.5 A, cable diameter 7-12 or 7-13.5 mm - Rs 2,765 per piece

Related products

• Techno TH400 in-line joints - IP68 screw joints for 7-17 mm cable
• Techno TH392 "H" distributors - IP68, one cable in and three out
• Techno TH399 Y-branch connectors - IP68 branch joints, 3 to 6 poles
• Techno grommets and adapters - seal smaller or several cables in the glands
• All Techno IP68 waterproof connectors

Frequently asked questions

Which cables fit Techno TH391 4-pole?

Conductors of 0.5-4.0 mm², in cable with an outside diameter of 7-12 or 7-13.5 mm, such as H05 / H07 flexible cords.

What is the difference between THB.391.A4A and THB.391.A4A.L?

The cable range and body: THB.391.A4A takes cable 7-12 mm (Ø 23 x 66 mm); THB.391.A4A.L takes cable 7-13.5 mm (Ø 23 x 100 mm). The list price is the same.

Is the connection waterproof?

Yes - the connector is IP68: sealed against dust and protected against immersion. The page gives Techno's test depth and time where Techno states them.

Can the connector be opened again?

Yes - it is a fixed connection that can be re-opened for inspection.

Is the price for one piece?

Yes - Rs 1,445 is the list price for one connector.

Where can I buy Techno TH391 4-pole in India?

From Jai Enterprises, Bhilai and Raipur, Chhattisgarh, which supplies Techno IP68 connectors across India. The list price is Rs 1,445 per piece; call +91 9340081159 with the quantity and delivery location for stock and lead time.

How to order

Supplied by Jai Enterprises, Bhilai and Raipur, Chhattisgarh, to sites across India. The list price for Techno TH391 4-pole (THB.391.A4A, THB.391.A4A.L) is Rs 1,445 per piece. Call +91 9340081159 or send an enquiry from this page with the quantity and delivery location, and we will confirm stock, lead time and the delivered cost.