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Hellermann Tyton Pre-Insulated Terminal Blue Ring Lug M8 Hole

Double Grip Crimp for Vibration Resistance - 1.5-2.5mm², M8 Stud


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Hellermann Tyton Pre-Insulated Terminal Blue Ring Lug 8mm Hole Main Image

Hellermann Tyton Pre-Insulated Terminal Blue Ring Lug M8 Hole

DESCRIPTION

HellermannTyton Blue M8 Ring Terminal: Secure Double Grip Connection for 1.5–2.5 mm² Cables

Engineered for High-Vibration Environments

The HellermannTyton Pre-Insulated Blue Ring Lug with M8 hole delivers a reliable, vibration-resistant connection for conductors ranging from 1.5 to 2.5 mm². Its double grip design features a specialised dual-crimp barrel that clamps both the conductor and the insulation, providing exceptional mechanical strength and electrical integrity. This makes it an ideal choice for automotive, marine, and industrial applications where movement and vibration are constant challenges.

Unlike generic single-crimp terminals, the double grip system significantly reduces the risk of wire pull-out and connection failure, ensuring long-term performance in demanding conditions. The terminal is manufactured using a precise three-piece process, combining a high-conductivity copper body with a durable PVC insulation sleeve, resulting in a component that meets rigorous quality standards.

Colour-Coded for Fast, Error-Free Installation

The blue vinyl insulation conforms to industry-standard colour coding for 1.5–2.5 mm² conductors, allowing for quick visual identification during assembly and maintenance. This reduces the likelihood of mismatched terminal sizes, which can lead to poor crimps or overheating. The insulation is rated for continuous operation at +75 °C, making it suitable for engine bays and other elevated-temperature locations.

With a maximum voltage rating of 600 V and a current capacity of 27 A, this terminal supports a wide range of low-voltage DC and AC circuits. It is particularly effective in 12 V, 24 V, and 48 V systems, offering versatility across automotive, solar, and auxiliary power setups. *Note typical de-rating factors apply when bundling or operating at elevated temperatures.

Key Features

  • Double grip crimp secures both wire and insulation for superior vibration resistance
  • Colour-coded blue insulation for instant size recognition (1.5–2.5 mm²)
  • M8 stud hole (8.4 mm) fits standard metric bolts for common busbar and stud connections
  • Copper body with PVC sleeve ensures high conductivity and durable insulation
  • +75 °C temperature rating suitable for under-bonnet and enclosed installations
  • 600 V max voltage and 27 A current rating for versatile circuit use
  • Resealable packaging keeps terminals organised and protected on the job site

Built for Reliability in the Field

HellermannTyton’s pre-insulated ring terminals are trusted by professionals for their consistent quality and ease of use. The double grip design is especially valuable in mobile and off-grid applications—such as caravan wiring, marine electrical systems, and heavy equipment—where connections are subjected to constant shock and vibration. By gripping the insulation as well as the conductor, the terminal minimises stress at the crimp point, reducing the risk of fatigue failure over time.

The copper body provides low electrical resistance, minimising voltage drop and heat generation. Combined with the PVC insulation, which offers good chemical and abrasion resistance, this terminal is well suited to harsh environments. Whether you're rewiring a trailer, installing a solar charge controller, or building a custom switch panel, this terminal helps ensure a professional, long-lasting connection.

Simple Installation with Standard Tools

These terminals are designed for use with common ratchet crimping tools (such as the HellermannTyton HYYT7), ensuring a gas-tight crimp every time. The funnel-shaped barrel entry guides the conductor smoothly into position, reducing installation time and the chance of stray strands. For best results, use a tool with the correct die profile for insulated terminals.

Add Dependable Connections to Your Next Project

Choose the HellermannTyton Blue M8 Ring Terminal for your next wiring job and experience the difference that a double grip design makes in high-vibration environments. Stock up today and build electrical systems that stay connected when it matters most.

SPECIFICATIONS

Specifications

DescriptionRing terminal double grip, conductor size 1.5 - 2.5mm² M8, blue
Article Number924-00378
Part DescriptionRD2-8-CU/PVC-BU
TypeRD2-8
Product FamilyDouble Grip Pre-Insulated
Product GroupRing Terminals
MaterialCopper (CU), Polyvinylchloride (PVC)
Operating Temperature+75 °C
Max Voltage600 V
Conductor Size Range1.5-2.5 mm²
Hole Ø (FH)8.4 mm
Width (W)12.0 mm
Length (L)27.6 mm
Length (L2)10.7 mm
Length (L3)16.9 mm
Ø (D)5.3 mm
Max Current27 A
ColourBlue (BU)
Recommended Tools61=HYYT7
ROHS compliantYes

SKU: BLU-INS-RING-M8
Model #: BLU-INS-RING-M8x1
MPN: BLU-INS-RING-M8x1

WARRANTY

HellermannTyton Warranty Policy

This warranty policy applies to genuine HellermannTyton products supplied by us in Australia through authorised sales channels. This policy applies to the original end-user purchaser of the product, as evidenced by a valid invoice or proof of purchase, and is not transferable without our written consent.

We warrant that the HellermannTyton products supplied by us are free from defects in materials and workmanship under normal use and service, subject to the terms and conditions below. This warranty applies only to the HellermannTyton product supplied and does not cover installation workmanship, system design, connected equipment, or other products not supplied by us.

The benefits given by this warranty are in addition to any other rights and remedies available under law. Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage. You are also entitled to have goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure.

Warranty Coverage and Periods

This warranty covers the following HellermannTyton product ranges supplied by us:

Product model range Warranty period Notes / special conditions
Lugs and Links, including copper lugs, bell mouth lugs, circuit breaker lugs, long barrel lugs, copper links, bi-metal lugs and reducing links 12 months from the date of purchase Covers defects in materials and workmanship under normal recommended use. Correct cable selection, crimping method, die selection, torque, installation environment and compliance with applicable electrical standards remain the responsibility of the installer.
Heat Shrink Tubing, including thin wall, medium wall, thick wall, dual wall adhesive-lined and other heat shrink tubing ranges 12 months from the date of purchase Covers defects in materials and workmanship before installation and under normal recommended use. Incorrect heat application, overheating, under-shrinking, chemical exposure, abrasion, unsuitable sizing, or use outside the product’s stated ratings is not covered.
Pre-insulated Terminals and Insulated Lugs, including ring, fork, spade, quick-connect terminals, butt connectors, bootlace ferrules and related insulated crimp terminals 12 months from the date of purchase Covers defects in materials and workmanship under normal recommended use. Correct conductor preparation, crimping tool selection, pull testing, electrical loading and installation compliance remain the responsibility of the installer.

Commencement of Warranty: The warranty period begins on the date of purchase by the original end-user, as shown on the invoice or proof of purchase. A valid proof of purchase from an authorised sales channel is required for all warranty claims.

Installer Responsibilities and System Design

HellermannTyton products supplied by us are generally intended to be installed, crimped, terminated, insulated, protected, or incorporated into a broader electrical installation, vehicle, vessel, building, machine, switchboard, cable assembly, or other operating environment. We do not provide installation services unless expressly stated in writing, and we do not supervise or control installation practices carried out by installers, contractors, dealers, resellers, or end-users.

Once installed, the product may form only one component of a larger electrical or mechanical system. The installer, electrician, system designer, integrator, dealer, or end-user is responsible for ensuring that the selected product is suitable for the intended application and is installed correctly.

All HellermannTyton products must be installed and used in accordance with the product documentation, applicable Australian Standards, relevant electrical and industry standards, manufacturer specifications, and recognised industry best practice. The installer must ensure that the product is used within its specified ratings, including cable size, conductor type, voltage, current, temperature, insulation requirements, environmental exposure, mechanical loading and any applicable crimping or shrinking requirements.

Issues or damage arising from incorrect installation, incorrect product selection, poor system design, unsuitable tools, incorrect crimping, incompatible conductors, inadequate protection, inappropriate heat application, unsuitable mounting, or failure to follow instructions are not product defects and are not covered by this warranty.

Warranty Exclusions

This warranty covers manufacturing defects or failures of the HellermannTyton product supplied by us arising from normal use in accordance with the applicable product specifications. It does not cover any failure, damage, performance issue, deterioration, or loss caused wholly or partly by external factors, misuse, incorrect installation, or circumstances outside our control.

Warranty exclusions include, but are not limited to:

  • Incorrect installation or handling: Damage or malfunction caused by incorrect crimping, incorrect die selection, incorrect tool use, incorrect heat application, incorrect sizing, poor conductor preparation, incorrect stripping, incorrect torque, incorrect mounting, mishandling, or failure to follow applicable instructions or standards.
  • Misuse, abuse or neglect: Use outside product specifications, overloading, excessive current, excessive heat, excessive mechanical stress, physical abuse, crushing, impact, careless handling, or continued use after a fault becomes apparent.
  • Unsuitable application: Use of a product in an environment or application for which it was not designed, including exposure to chemicals, UV, moisture, abrasion, vibration, temperature, corrosion, or electrical loads beyond the product’s stated rating.
  • Incompatible components: Failures caused by incompatible cables, conductors, terminals, connectors, tools, dies, heat sources, enclosures, switchgear, adhesives, tapes, insulation systems, or other third-party components.
  • Environmental damage: Damage caused by water ingress, corrosion, salt mist, chemicals, excessive dust, mud, debris, contamination, excessive heat or cold, fire, smoke, lightning, flood, storm, pest damage, or improper storage.
  • System design faults: Damage or failure caused by over-voltage, over-current, poor protection, inadequate fusing, insufficient clearance, poor cable support, vibration, cascading damage from another component, or failure of another part of the installation.
  • Unauthorised modification or repair: Products that have been modified, altered, cut, reworked, repaired, tampered with, or used in a way that changes their intended function or rating.
  • Normal wear and cosmetic deterioration: Normal wear and tear, cosmetic marks, fading, discolouration, surface scratches, residue, or deterioration that does not affect product function.
  • Identification removed or altered: Where applicable, removal, defacement, alteration, or tampering with batch numbers, labels, markings, rating information, or other product identification may make the product ineligible for warranty service.
  • Unauthorised resale or non-authorised purchases: Products purchased second-hand, from unauthorised marketplaces, auctions, liquidation sales, grey-market sellers, or unapproved channels may not be covered.

Making a Warranty Claim

Important: If you suspect a fault with a HellermannTyton product supplied by us, do not remove or alter the product unless it is unsafe to leave it in place or unless authorised by us or the place of purchase. Premature removal, cutting, re-crimping, reheating, or alteration may prevent proper assessment and may limit warranty coverage.

  1. Contact the place of purchase: Warranty claims should be initiated through the authorised dealer, reseller, distributor, or place of purchase.
  2. Provide product information: The customer must provide proof of purchase, product model or part number, batch or identification details if available, a description of the issue, and photos or videos showing the product and installation.
  3. Provide installation details: We may request information such as cable size, conductor type, tool and die used, crimping method, heat source used, installation environment, connected equipment, load conditions, and applicable test results.
  4. Assessment and troubleshooting: The product and installation details may be assessed to determine whether the issue is likely to be a product defect or caused by installation, product selection, connected equipment, environment, misuse, or another excluded factor.
  5. Return for inspection: If the fault cannot be confirmed by correspondence, photos, or remote assessment, the product may need to be returned for inspection, testing, repair, or replacement assessment. Return instructions will be provided by the place of purchase or nominated assessment location.
  6. Evaluation and outcome: If the product is confirmed to have a defect covered by this warranty, an appropriate remedy will be provided. If the product is found not to be faulty, or the issue is caused by an excluded factor, the claim may be rejected.

Remedies Under Warranty

If a defect covered by this warranty is confirmed, we may, at our discretion and subject to Australian Consumer Law, provide one or more of the following remedies:

  • repair;
  • replacement;
  • refund;
  • credit;
  • supply of replacement parts; or
  • another remedy required by law.

Where a replacement is provided, the replacement may be the same model, a superseded equivalent, or a product with similar specifications. Replaced products or components may become our property unless otherwise agreed.

Repair or replacement under this warranty does not restart or extend the original warranty period. The warranty continues from the original purchase date.

Limit of Liability

To the extent permitted by law, our liability under this warranty is limited to the repair, replacement, refund, credit, or approved remedy relating to the defective HellermannTyton product supplied by us.

To the extent permitted by law, this warranty does not cover consequential or incidental loss, including labour for removal or reinstallation, electrician costs, travel time, freight not approved by us, access equipment, downtime, loss of revenue, damage to other equipment, property damage, personal injury, or other economic loss.

Nothing in this warranty excludes, restricts, or modifies any rights or remedies that cannot be excluded under Australian Consumer Law.

Contact

For warranty support, please contact the authorised dealer, reseller, distributor, or place of purchase from whom the HellermannTyton product was purchased.

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