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Fluke i400S 400A Current Clamp – Choice of Set
- Compact clamp meter with a 400 A AC measurement range
- Max conductor: Ø 32mm
- Safety rating: CAT IV 600V/ CAT III 1000V
SKU
FLUKE-I400S-EL-X
Designed to extend the AC current range of Fluke’s digital multimeters, power quality analysers, and portable oscilloscopes. This compact clamp meter provides a measurement range of up to 400 A AC and can be used to test conductors with diameters up to 32mm. It is CAT IV 600V/ CAT III 1000V safety rated and features a soft non-slip over-mould handle. Available individually or in a set of three, the Fluke i400S 400A Current Clamp provides an ergonomic, easy method of taking accurate AC current readings without breaking the circuit.
Fluke i400S 400A Current Clamp Key Features
- Compact clamp meter with a 400 A AC measurement range
- Extends the AC current range of Fluke’s digital multimeters, power quality analysers, and portable oscilloscopes
- Two ranges: 40A and 400A, 10 and 1mV/Amp output
- Max conductor: Ø 32mm
- Safety rating: CAT IV 600V/ CAT III 1000V
- Soft non-slip over-mould handle
- Available individually or in a set of three
- Provides an ergonomic, easy method of taking accurate AC current readings without breaking the circuit
What’s Included?
- Fluke i400S 400A Current Clamp (Your Choice of One Clamp or Three Clamps)
Product Range
- Fluke I400S-EL 17XX 400A Current Clamp
- Fluke I400S-EL-3PK 17XX 400A Current Clamp, 3 Pack
Offers
Buy a Fluke Get One Free (Spend £150+)
Buy a Fluke and Get a Free Fluke! Spend over £150 on a qualifying Fluke product and choose an additional Fluke product for Free. Offer is claimed directly from Fluke. Valid 15th Sept 25 - 31 Dec 2025. For more details visit buy a fluke offer.
Black Friday Free Gift (Spend £200+)
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Free item will automatically add to your basket. Limited Stock. Offer is based on ex VAT basket total after discounts and before shipping costs. See Black Friday Offers for details.
Technical Information
Specification
Fluke i400S 400A Current Clamp Technical Specifications
| Nominal current range | 40 A Range | 0.5 A to 40 A |
| 400 A Range | 5 A to 400 A | |
| Basic accuracy | 40 A Range | 2% + 0.015 A (45-400 Hz) |
| 400 A Range | 2% + 0.04 A (45-400 Hz) | |
| Phase shift | 40 A Range | |
| 0.5 to 1 A | Unspecified | |
| 1 A to 5 A | 4° | |
| 5 A to 10 A | 3° | |
| 10 A to 20 A | 3° | |
| 20 A to 40 A | 2° | |
| 40 A to 400 A | NA | |
| 400 A Range | ||
| 0.5 to 1 A | NA | |
| 1 A to 5 A | NA | |
| 5 A to 10 A | Unspecified | |
| 10 A to 20 A | 2° | |
| 20 A to 40 A | 2° | |
| 40 A to 400 A | 1.5° | |
| Typical bandwidth | 40 A Range | 5 Hz - 10 kHz |
| 400 A Range | 5 Hz - 10 kHz | |
| Output level(s) | 40 A Range | 10 mV/A |
| 400 A Range | 1 mV/A | |
| Crest factor | 40 A Range | ≤ 3 |
| 400 A Range | ≤ 3 to 300 A | |
| ≤ 2.5 to 400 A | ||
| Safety Specifications | ||
| Safety | CAT IV, 600 V, CAT III, 1000 V | |
| Maximum non-destructive current |
1000 V AC | |
| Mechanical & General Specifications | ||
| Warranty | 1 year | |
| Maximum conductor size | 32 mm (1.25 inches) | |
| Output cable length | 2.5 m (8.2 ft) | |
| BNC adapter | Yes | |
| Dimensions | 150 x 70 x 30 mm | |
| Weight | 114 g | |
Document Downloads
Fluke i400S 400A Current Clamp - Datasheet
Fluke i400S 400A Current Clamp - Instruction Sheet
Fluke i400S 400A Current Clamp - Calibration Manual
Additional Information
SKU
FLUKE-I400S-EL-X
Fluke i400S 400A Current Clamp – Choice of Set
£263.60
£316.32 inc vat
£263.60
£316.32 inc vat