THERMO CLIPS
THERMO CLIPS
Introduction:
The ThermoClip Series provides a simple, reliable visual indication of overtemperature conditions on electrical assets. Using patented Thermo-Lock thermochromic technology, these easy-to-install clips change colour when exposed to elevated temperatures, providing a clear visual warning.
Designed to work in conjunction with IRISS large-format inspection windows, ThermoClip indicators add a valuable visual component to electrical inspection programs, supporting inspections before and between infrared and ultrasound surveys.
With a unique memory-effect feature, ThermoClip indicators can permanently retain the colour change resulting from an overtemperature event. This provides inspectors with a visible record of temperature excursions, particularly useful for intermittently loaded systems where elevated temperatures may not be present during the inspection.
Key Features:
Simple Application: Quick, push-on installation requires no de-energizing or disconnection of the electrical circuit.
Thermo-Lock Technology: Patented thermochromic technology changes and locks the indicator's colour to signal that an elevated-temperature event has occurred.
Easy to Read: Highly visible thermochromic colour changes provide an immediate visual warning when viewed through IR inspection windows.
Cost-Effective Solution: Requires minimal investment while providing a noticeable enhancement to electrical safety, maintenance, and reliability programs.
Broad Coverage: Multiple models accommodate a wide range of cable sizes, from 17 AWG to 750 MCM, for circuits rated up to 36 kVAC / 600 VDC.
Passive Design: A temperature-responsive, passive visual alert system that requires no power, wiring, or electronic components.
Memory Effect: The indicator retains evidence of an overtemperature excursion, helping inspectors identify historical thermal events.
Installation
ThermoClip Series clips are designed to be push-fitted onto the outer insulation of an electrical cable, adjacent to the cable connection terminal at a recommended distance of 15–30 mm.
ThermoClip must not be inserted into the current-carrying path of the circuit or attached directly to bare, energized, or otherwise exposed conductive parts.
Safety & Installation Caution
ThermoClip Series products are designed for use on electrical cables. Installation must be assessed and performed by a competent electrician or qualified electrical professional, in accordance with all applicable local electrical codes, standards and regulatory requirements.
ThermoClip is intended to provide a passive visual indication of overtemperature conditions and should be used as part of a comprehensive electrical inspection and maintenance program. It does not replace established infrared, ultrasound, or other electrical inspection methods.
Technical Parameters:
| Wire Outside Diameter Range | 2.3 mm to 31.0 mm |
| Overall Height | 10.8 mm to 34.6 mm |
| Overall Width | 4.8 mm to 24.4 mm |
| Base Material | 90–95% Polypropylene with 5–10% Thermochromic Masterbatch |
| Flame Retardancy | UL94 V-0, self-extinguishing; non-halogenated |
| Initial Colour Change Temperature | 53°C |
| Permanent Colour Change Temperature | 70°C |
| Permanent Colour Change Colour | Pink |
| Response Time | 5–20 seconds at 70°C |
| Storage Conditions | Store at room temperature and humidity: 16°C to 27°C and 40–60% RH |
| Product Lifespan | Overtemperature connection indicators should be replaced within a maximum service life of 5 years |
| Dielectric Strength | 44 kV/mm |
| Wire Insulation Rating | 36 kVAC / 600 VDC |
Material & Performance:
The overtemperature connection indicator is manufactured using a thermochromic masterbatch incorporated into a polypropylene base material. The material formulation consists of approximately 5–10% thermochromic masterbatch and 90–95% polypropylene, providing flame-retardant performance to UL94 V-0, with a self-extinguishing and non-halogenated formulation.
The indicator begins to change colour at approximately 53°C and reaches a permanent pink colour change at 70°C. The typical response time at 70°C is 5–20 seconds, providing a clear visual indication of an overtemperature condition.
Storage & Service Life
Products should be stored under controlled room-temperature and humidity conditions of 16°C to 27°C and 40–60% relative humidity. For reliable performance, overtemperature connection indicators should be replaced within a maximum service life of five years.
Available Sizes: H1, H2, H3, H4, H5
