MERSEN FUSE Amperemeter unit 400A NH1-3 3P 1.000.109

Q: What current range does the ammeter measure?

The V1023288 provides a 400 A measurement range.

Q: Which equipment is compatible?

The unit is compatible with MULTIVERT® Size 2 and Size 3 400 A and 630 A fuse switch disconnectors.

Q: Can it monitor all three phases?

Yes. The ammeter supports triple-phase measurement with selectable L1, L2 or L3 indication.

Why Choose the MERSEN FUSE Amperemeter unit 400A NH1-3 3P 1.000.109?

SKU: V1023288Alt SKU: 1.000.109MPN: V1023288

List Price £244.15 ex VAT

Your Price (ex VAT)

£244.15

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Manufacturer Lead Time

£244.15

Why Choose the Mersen V1023288 Triple-Phase Ammeter Unit?

The Mersen V1023288, catalogue number 1.000.109, is a genuine triple-phase ammeter unit designed for accurate current indication on compatible MULTIVERT® 400 A and 630 A NH fuse switch disconnectors. Featuring an integrated drag indicator, it enables operators to monitor peak current values and quickly identify abnormal loading conditions within three-phase electrical distribution systems.

Designed as a direct clip-on accessory, the V1023288 provides convenient three-phase current measurement with selectable L1, L2 or L3 indication. Its compact design allows quick installation without major modifications, making it ideal for industrial switchboards, OEM panel building and electrical maintenance applications.

Manufactured by Mersen, this ammeter unit integrates seamlessly with compatible MULTIVERT® systems, providing dependable monitoring while maintaining the high reliability expected from genuine Mersen electrical accessories.

Key Advantages

Genuine Mersen MULTIVERT® ammeter unit.
Designed for 400 A and 630 A MULTIVERT® systems.
Triple-phase current measurement.
Integrated drag indicator records peak current.
Direct clip-on installation for compatible equipment.
Helps identify overloads and phase imbalance.
Compact, lightweight industrial design.
Suitable for OEM switchboards and maintenance projects.

Key Features

Mersen V1023288 ammeter unit.
Catalogue number: 1.000.109.
Triple-pole current measurement.
400 A measurement range.
Selectable monitoring of L1, L2 or L3.
Integrated drag indicator for peak current indication.
Direct snap-on installation.
Compatible with MULTIVERT® Size 2 and Size 3 equipment.

Reliable Current Monitoring for MULTIVERT® Systems

The Mersen V1023288 provides a simple and effective method of monitoring current within compatible MULTIVERT® fuse switch disconnectors. The integrated drag indicator retains the highest measured value until reset, allowing maintenance personnel to identify overload events and investigate abnormal operating conditions more efficiently.

Its compact clip-on construction enables rapid installation while maintaining compatibility with existing Mersen switchgear. The unit supports preventative maintenance programmes and improves visibility of electrical loading across three-phase distribution systems.

Typical Applications

Industrial low-voltage switchboards.
MULTIVERT® NH fuse switch disconnectors.
Three-phase current monitoring.
OEM switchgear manufacture.
Electrical maintenance programmes.
Commercial and industrial power distribution.

Technical Specifications

Current	400 A
Phase	Three Phase
Manufacturer	Mersen
Model	V1023288
Catalogue number	1.000.109
Product type	Triple-phase ammeter unit
Measurement range	400 A
Measurement type	Triple-pole
Phase selection	Optional L1, L2 or L3
Indicator	Drag indicator
Accuracy class	Class 3
Maximum pointer deflection	90°
Compatible equipment	MULTIVERT® 400 A and 630 A, Size 2 and Size 3
Mounting	Direct clip-on installation
Approximate weight	83 g
EAN	4027597026615
Device Type	Accessory
Fuse Type	NH (DIN)
Fuse Size	NH1

Frequently Asked Questions

What is the Mersen V1023288 used for?

It is a triple-phase ammeter unit designed to monitor electrical current on compatible MULTIVERT® 400 A and 630 A fuse switch disconnectors.

What current range does the ammeter measure?

The V1023288 provides a 400 A measurement range.

What does the drag indicator do?

The drag indicator records the highest measured current value, allowing operators to identify peak loading conditions.

Which equipment is compatible?

The unit is compatible with MULTIVERT® Size 2 and Size 3 400 A and 630 A fuse switch disconnectors.

Can it monitor all three phases?

Yes. The ammeter supports triple-phase measurement with selectable L1, L2 or L3 indication.

Trusted for Industrial Electrical Monitoring

Mersen monitoring accessories are trusted by switchboard manufacturers, electrical contractors and industrial engineers for dependable current measurement, improved system visibility and reliable long-term operation in low-voltage power distribution systems.

UK delivery

Delivery options

Free UK delivery on orders over £200 ex VAT. Order in-stock items before 2pm Monday to Friday for next-day delivery.

This product Lead time on request

Please contact us for a delivery time before you order

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£8 ex VAT · free over £200

UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.

Heavier items may be charged at a weight-based or pallet rate, shown at checkout.

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Please allow 15–30 minutes after ordering for us to prepare your order.

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Delivery is calculated at checkout based on your destination.

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Changed your mind or ordered the wrong item? Request a return within 30 days of receipt. There is no restocking charge.

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Send your order number, product details and reason for return. For faults or delivery damage, include photographs if available. We will confirm the next steps.

Email returns team 01706 242050

The 30-day return request period applies to change-of-mind returns for stocked items. It does not limit your statutory rights for faulty or non-conforming goods.

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