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MERSEN FUSE PS III 20.127 PRE +MC PS E097294
Mersen E097294 PS III three-pole modular non-load fuse disconnector for 20 × 127 mm semiconductor fuses, rated for systems up to 1500 V with microswitch fuse-status indication.
£258.69
Why Choose the Mersen E097294 PS III Fuse Disconnector?
The Mersen E097294 is a robust three-pole modular fuse disconnector designed for the safe installation and isolation of high-speed semiconductor fuses in demanding industrial power systems. Part of the dependable Mersen PS 20 × 127 mm series, it accommodates cylindrical ferrule fuses used to protect sensitive power electronic equipment.
Also identified as PS III 20.127 PRE +MC PS, this non-load fuse disconnector combines a durable phenolic construction with high-conductivity contacts and secure bolt-in terminals. Its three-pole configuration enables simultaneous protection of three-phase circuits while providing convenient access for fuse replacement and maintenance.
The E097294 is suitable for systems rated up to 1500 V and can accommodate compatible 20 × 127 mm ferrule fuses with current ratings up to approximately 100 A. Integrated microswitch functionality can provide remote indication when a compatible striker fuse operates, supporting faster fault identification in industrial installations.
Key Advantages
- Heavy-duty three-pole fuse disconnector for industrial power systems.
- Designed for compatible 20 × 127 mm semiconductor fuses.
- Suitable for electrical systems rated up to 1500 V.
- Supports fuse ratings up to approximately 100 A.
- Integrated microswitch indication supports remote fuse-status monitoring.
- Durable phenolic body provides strong thermal and mechanical performance.
Key Features
- Mersen PS modular fuse disconnector series.
- Three-pole configuration for three-phase circuit protection.
- Product designation: PS III 20.127 PRE +MC PS.
- Accepts 20 × 127 mm cylindrical ferrule fuses.
- 1500 V maximum system rating.
- Current capacity up to approximately 100 A.
- Microswitches for operated-fuse indication when used with striker fuses.
- Threaded mounting with secure bolt-in electrical terminals.
Reliable Fuse Isolation for Power Electronics
The Mersen E097294 provides a secure mounting and isolation platform for semiconductor fuses protecting converters, inverters, drives and other high-value power electronic equipment. Its solid mechanical assembly helps maintain dependable electrical contact while withstanding the thermal and mechanical stresses found in industrial installations.
The integrated microswitch arrangement can signal when a compatible striker-operated fuse has cleared a fault. This allows the fuse condition to be monitored remotely through control, alarm or maintenance systems, helping reduce inspection times and improve equipment availability.
Typical Applications
- Industrial power converters and rectifiers.
- Variable speed drives and motor control systems.
- Solar photovoltaic power conversion equipment.
- Battery energy storage systems.
- Uninterruptible power supplies.
- Three-phase semiconductor protection circuits.
Technical Specifications
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| Mounting Type | Base / panel | |
|---|---|---|
| Poles | 3-pole | |
| Device Type | Fuse switch disconnector | |
| Fuse Size | 20x127 mm | |
| Manufacturer | Mersen | |
| Series | PS 20 × 127 | |
| Model | E097294 | |
| Product designation | PS III 20.127 PRE +MC PS | |
| Product type | Modular non-load fuse disconnector | |
| Number of poles | 3 | |
| Compatible fuse size | 20 × 127 mm | |
| Compatible fuse type | Cylindrical ferrule semiconductor fuse | |
| Maximum voltage rating | 1500 V | |
| Maximum current rating | Approx. 100 A | |
| Fuse indication | Microswitch indication with compatible striker fuse | |
| Terminal type | Bolt-in terminal | |
| Mounting type | Threaded panel / board mounting | |
| Body material | Phenolic resin | |
| Contact material | High-conductivity tin-plated copper | |
| Approximate weight | 1.3 kg |
Frequently Asked Questions
What is the Mersen E097294 used for?
The E097294 is used to mount, connect and isolate three compatible semiconductor fuses in industrial power electronic and three-phase electrical systems.
What fuse size is compatible with this disconnector?
The unit is designed for compatible 20 × 127 mm cylindrical ferrule fuses.
How many poles does the E097294 have?
The Mersen E097294 has a three-pole configuration, making it suitable for three-phase circuit protection.
Does this fuse disconnector provide fuse-status indication?
Yes. It incorporates microswitch functionality that can indicate an operated fuse when used with compatible striker-equipped fuses.
Can the E097294 interrupt current under load?
The E097294 is a non-load fuse disconnector and should not normally be opened while carrying load current. Appropriate upstream isolation procedures should be followed before operation or maintenance.
Trusted by Industrial Power Professionals
Mersen fuse disconnectors are trusted by electrical engineers, panel builders and power electronics specialists to provide secure fuse mounting, dependable isolation and effective fault-status indication in critical industrial systems.
