High-speed square body fuse engineered for robust short-circuit protection in demanding industrial power electronics. Rated for 700A and 690VAC/700VAC, with built-in striker and DIN 80 blades.
£185.56
The Mersen G300018 is a genuine Mersen electrical protection component intended for use in compatible industrial electrical equipment. Identified by the manufacturer reference G300018, it provides maintenance engineers, panel builders, equipment manufacturers and purchasing teams with a precise part number for replacement and servicing requirements.
Correct component identification is essential when maintaining electrical installations because visually similar products may have different ratings, dimensions, connection arrangements or operating characteristics. Ordering the exact Mersen G300018 reference helps reduce procurement errors and supports compatibility with equipment in which this specific component has been installed or specified.
The Mersen G300018 is suitable for professional maintenance, repair and OEM applications where the original manufacturer part number is required. Its electrical ratings, physical dimensions and installation requirements should be checked against the existing component, equipment documentation or current Mersen technical data before ordering or installation.
Electrical protection components help maintain the safety, availability and reliability of machinery, control panels and power distribution equipment. Selecting a replacement using its exact manufacturer reference is important because related products may not offer equivalent electrical or mechanical performance.
By specifying the Mersen G300018, engineers and maintenance personnel can compare the required component directly with the existing installation. This supports efficient maintenance planning, reduces purchasing mistakes and helps minimise avoidable equipment downtime.
| Current | 08 A |
|---|---|
| Item number | G300018 |
| Catalogue No | PC31UD69V700A |
| Description | Square Body High-Speed Fuse Protistor® Size 31 aR 690VAC IEC 700VAC UL 700A With Striker DIN 80 Blades |
| EAN/UPC Code | 3605340322422 |
| Rated voltage AC UL | 700 V |
| Rated voltage AC IEC | 690 V |
| Ampere Rating | 700 A |
| RoHS Compliant | Yes |
| AC or DC | AC |
| Speed/Characteristic | aR |
| Fuse Size | 31 |
| Mounting | Bolted |
| Clearing I2t At Rated Voltage | 540000 A²s |
| Melting I2t | 95000 A²s |
| AC Max I.R./Breaking Capacity | I1: 200 kA |
| Indication System | Yes |
| Indication System Type | Striker |
| Connection/Terminal Material | Silver-Plated Copper |
| Connection/Terminal Type | DIN 80 Blades |
| Product Width | 51 mm |
| Product Length | 110 mm |
| Product Height | 56.5 mm |
| Sell Pack Quantity | 3 EA |
| Sell Pack Weight | 1.1598 kg |
| Sell Pack Width | 143 mm |
| Sell Pack Length | 167 mm |
| Sell Pack Height | 64 mm |
| Product group | Semiconductor Protection Fuses |
| Body/Insulating Material | Ceramic |
| Product Weight | 0.3866 kg |
| Power Dissipation at Rated Current Value | 95 W |
| HS Code | 85361090 |
| Country of Manufacture | France |
The Mersen G300018 is an industrial electrical protection component identified by the manufacturer part number G300018.
It is intended for use in compatible industrial electrical, power distribution, machinery and control equipment requiring this specific Mersen reference.
Compare the G300018 reference with the number shown on the existing component and check the equipment manual, electrical drawing or current Mersen technical documentation.
A different part number should only be used when its ratings, dimensions, connection arrangement and equipment compatibility have been confirmed by Mersen or the equipment manufacturer.
Installation should be completed by a suitably qualified electrical professional in accordance with the equipment instructions and applicable electrical safety requirements.
Mersen electrical protection products are specified by engineers, equipment manufacturers and maintenance professionals for dependable operation in industrial electrical and machinery applications.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...