Howard Butler Ltd
Howard Butler Ltd has been manufacturing panel meters, current transformers, relays, transducers and associated products in our UK factory for over 85 years.
Howard Butler Ltd has ISO 9001:2008 approval with a constantly reviewed quality policy. This ensures that through our vigilance, control, design methods and accountability throughout all stages of design and manufacture quality is designed and built into our products. Our in-house design engineers are able to work with customers to provide custom solutions where our standard product range is not applicable. Our policy is one of continuous improvement, therefore the HOBUT range is regularly added to with new products, mostly designed to IEC, BS, or DIN specifications.
We hold extensive stocks of vital components to ensure quick delivery of both standard and special
products. Customer satisfaction is central to the aims of Howard Butler Ltd, with our fully integrated
computer system closely controlling orders, enquiries and stock.
Filter products and services
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13 Series Moulded Case Current Transformers
A range of low cost moulded case current transformers suitable for primary currents from 40A to 300A with built in sealable terminal covers.Request a Quote Supplied by Howard Butler Ltd -
14 Series Moulded Case Current Transformers.
A range of compact moulded case current transformers suitable for primary currents from 25A to 500A with built in sealable terminal covers. For transforming various primary currents into 5A or 1A standard secondary using 30x10mm or 20x20mm busbars or cables up to 24mm.Request a Quote Supplied by Howard Butler Ltd -
16 Series Moulded Case Current Transformers.
A range of compact moulded case current transformers suitable for primary currents from 30A to 800A with built in sealable terminal covers. For transforming various primary currents into 5A or 1A standard secondary using 40 x 10mm, 30 x 10mm and 20 x 20mm busbars or cables up to 28mm diameter.Request a Quote Supplied by Howard Butler Ltd -
17 Series (Type 175) Moulded Case Current Transformers
A range of compact low cost moulded case current transformers suitable for primary currents from 250A to 1250A with built in terminal covers. For transforming various primary currents into 1A or 5A standard secondary using upto 50x10mm or 40x30mm busbars or cables up to 40mm diameter.Request a Quote Supplied by Howard Butler Ltd -
18 Series Moulded Case Current Transformers
A range of compact low cost moulded case current transformers suitable for primary currents from 400A to 1600A with built in sealable terminal covers. For transforming various primary currents into 5A or 1A standard secondary using up to 60x15mm or 50x30mm busbars or cables up to 45mm diameter.Request a Quote Supplied by Howard Butler Ltd -
19 Series Moulded Case Current Transformers
A range of compact low cost moulded case current transformers suitable for primary currents from 400A to 2000A with built in sealable terminal covers. For transforming various primary currents into 5A or 1A standard secondary using upto 60x30mm busbars or cables upto 45mm diameterRequest a Quote Supplied by Howard Butler Ltd -
20 Series Moulded Case CTs
A range of compact low cost moulded case current transformers suitable for primary currents from 400A to 2000A with built in sealable terminal covers. For transforming various primary currents into 5A or 1A standard secondary using 60x30mm or 80x10mm busbars or cables up to 60mm diameter.Request a Quote Supplied by Howard Butler Ltd -
21 Series Moulded Case Current Transformers
A range of moulded case current transformers suitable for primary currents from 400 - 5000A with built in sealable covers. For transforming various primary current into 5A or 1A standard secondary using 80 x 50mm or 100mm x 30mm busbars or cables up to 85mm diameterRequest a Quote Supplied by Howard Butler Ltd -
35 Series 3-in-1 Moulded Case Current Transformers
The range offers 3 current transformers in one moulded case, suitable for primary current from 40A to 800A using cable primaries. Ideally suited for standby generator manufacturers and panel builders, this innovative range is compact in design and suitable for mounting with feet or cable ties.Request a Quote Supplied by Howard Butler Ltd -
80 Series Split-Core Current Transformers
A range of moulded case Split core current transformers with in-built terminal covers. Primary ranges available up to 5000A with 5A secondary as standard. he Hobut range of Split-core current transformers has been designed to meet the growing demand for installation into existing networks. The split-core allows installation without disconnecting cables or busbar circuits. The products are ideal for retro-fitting and are therefore popular in the Energy Management and Power Factor Correction Industries.Request a Quote Supplied by Howard Butler Ltd
