About us

Rayleigh Instruments Limited

Established in 1964 we are one of the UK's leading manufacturers and suppliers of process control instrumentation equipment. We stock an extensive range of products including digital and analogue instrumentation, current transformers, safety relays, electrical transducers, industrial switching relays, measuring relays, timers, earth leakage relays to mention just a few.

We also design and manufacture a number of products for railway rolling stock including audible devices, illuminated displays, door systems and buttons, speed controllers and thermostats.


Products

TAPQ Horizontal Mounting - Current Transformers - Protection

TAPQ Horizontal Mounting - Current Transformers - Protection

Protection current transformer (formerly TAS102BPH) Ranges: 800 to 3000A (1A or 5A Secondary) Busbar window 54 x 102mm Unit Dimensions : H=135, W=129,...

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TAQA - Current Transformers - Measuring

TAQA - Current Transformers - Measuring

Measuring current transformer (formerly TAQ2) Ranges: 1 to 80A (1A or 5A Secondary) Wound primary Unit Dimensions : H=92, W=65, D=70mm

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TAQB - Current Transformers - Measuring

TAQB - Current Transformers - Measuring

Measuring current transformer (formerly TAQ6) Ranges: 5 to 100A (1A or 5A Secondary) Wound primary Unit Dimensions : H=92, W=65, D=70mm

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TAQD - Current Transformers - Measuring

TAQD - Current Transformers - Measuring

Measuring current transformer (formerly TAQ20) Ranges: 5 to 600A (1A or 5A Secondary) Bar primary Unit Dimensions : H=140, W=110, D=230mm

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TAQE - Current Transformers - Measuring

TAQE - Current Transformers - Measuring

Measuring current transformer (formerly TAQ1) Ranges: 5 to 60A (1A or 5A Secondary) Wound primary Unit Dimensions : H=92, W=65, D=70mm

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TAS240 - Three Phase Current Transformers - Measuring

TAS240 - Three Phase Current Transformers - Measuring

3 Phase measuring current transformers. Ranges: 60 to 200A (5A Secondary) Cable aperture : 3 @ 15.5 x 30mm 25mm hole centres Unit Dimensions : H=80, W...

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TAS240-EW (EasyWire)

TAS240-EW (EasyWire)

3 Phase measuring current transformers. Ranges: 60 to 200A (330mVSecondary) Internal safety circuitry is provided which automatically limits the outpu...

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TAS242 - Three Phase Current Transformers - Measuring

TAS242 - Three Phase Current Transformers - Measuring

3 Phase measuring current transformers. Ranges: 60 to 250A (5A Secondary) Cable aperture : 3 @ 21 x 25mm 35mm hole centres Unit Dimensions : H=80, W=1...

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TAS242-EW (EasyWire)

TAS242-EW (EasyWire)

3 Phase measuring current transformers. Ranges: 60 to 250A (330mVSecondary) Internal safety circuitry is provided which automatically limits the outpu...

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TAS248 - Three Phase Current Transformers - Measuring

TAS248 - Three Phase Current Transformers - Measuring

3 Phase measuring current transformers. Ranges: 250 to 630A (5A Secondary) Cable aperture : 3 @ 31 x 31mm 45mm hole centres Unit Dimensions : H=90, W=...

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TAS248-EW (EasyWire)

TAS248-EW (EasyWire)

3 Phase measuring current transformers. Ranges: 250 to 630A (330mVSecondary) Internal safety circuitry is provided which automatically limits the outp...

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TAS249-EW (EasyWire) Current Transformers

TAS249-EW (EasyWire) Current Transformers

3 Phase measuring current transformers. Ranges: 60 to 160A (330mVSecondary) Internal safety circuitry is provided which automatically limits the outpu...

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TAS250-EW (EasyWire)

TAS250-EW (EasyWire)

3 Phase measuring current transformers. Ranges: 800 to 1600A (330mVSecondary) Internal safety circuitry is provided which automatically limits the out...

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TASL - Current Transformers - Measuring and Protection

TASL - Current Transformers - Measuring and Protection

Measuring and protection current transformer (formerly TAS65) Ranges: 200 to 2000A (1A or 5A Secondary) Busbar window 65 x 32mm Unit Dimensions : H=94...

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TASL Horizontal Mounting - Current Transformers - Measuring and Protection

TASL Horizontal Mounting - Current Transformers - Measuring and Protection

Measuring and protection current transformer (formerly TAS65H) Ranges: 200 to 2000A (1A or 5A Secondary) Busbar window 32 x 65mm Unit Dimensions : H=9...

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TASM - Current Transformers - Measuring and Protection

TASM - Current Transformers - Measuring and Protection

Measuring and protection current transformer (formerly TAS80) Ranges: 300 to 2500A (1A or 5A Secondary) Busbar window 82 x 32mm Unit Dimensions : H=13...

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TASN - Current Transformers - Measuring

TASN - Current Transformers - Measuring

Measuring current transformer (formerly TAS81) Ranges: 400 to 2500A (1A or 5A Secondary) Busbar window 81 x 11mm, 64 x 31mm, 31 x 51mm Supplied with b...

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TASO - Current Transformers - Measuring

TASO - Current Transformers - Measuring

Measuring current transformer (formerly TAS84) Ranges: 150 to 2500A (1A or 5A Secondary) Busbar window 84 x 34mm Unit Dimensions : H=116, W=96, D=87mm

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TASO Horizontal Mounting - Current Transformers - Measuring

TASO Horizontal Mounting - Current Transformers - Measuring

Measuring current transformer (formerly TAS84H) Ranges: 150 to 2500A (1A or 5A Secondary) Busbar window mm Unit Dimensions : H=96, W=116, D=87mm

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TASP - Current Transformers - Measuring and Protection

TASP - Current Transformers - Measuring and Protection

Measuring and protection current transformer (formerly TAS105) Ranges: 200 to 3000A (1A or 5A Secondary) Busbar window 105 x 38mm Unit Dimensions : H=...

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TASP Horizontal Mounting - Current Transformers - Measuring and Protection

TASP Horizontal Mounting - Current Transformers - Measuring and Protection

Measuring current and protection transformer (formerly TAS105H) Ranges: 200 to 3000A (1A or 5A Secondary) Busbar window 38 x 105mm Unit Dimensions : H...

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TASQ - Current Transformers - Measuring and Protection

TASQ - Current Transformers - Measuring and Protection

Measuring and protection current transformer (formerly TAS125) Ranges: 400 to 4000A (1A or 5A Secondary) Busbar window 127 x 54mm Unit Dimensions : H=...

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TASR - Current Transformers - Measuring

TASR - Current Transformers - Measuring

Measuring current transformer (formerly TAS127) Ranges: 400 to 4000A (1A or 5A Secondary) Busbar window 127 x 38mm Unit Dimensions : H=160, W=99, D=87...

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TASS Horizontal Mounting - Current Transformers - Measuring and Protection

TASS Horizontal Mounting - Current Transformers - Measuring and Protection

Measuring and protection current transformer (formerly TAS127BH) Ranges: 400 to 4000A (1A or 5A Secondary) Busbar window 54 x 127mm Unit Dimensions : ...

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TAVA - Current Transformers - Protection

TAVA - Current Transformers - Protection

Protection current transformer (formerly TAQ20P) Ranges: 5 to 600A (1A or 5A Secondary) Bar primary Unit Dimensions : H=140, W=110, D=230mm

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TAWA - Current Transformers - Protection

TAWA - Current Transformers - Protection

Protection current transformer (formerly TAS63P) Ranges: 150 to 1600A (1A or 5A Secondary) Busbar window 64 x 19mm, 51 x 20mm, 41 x 21mm or 10 x 24mm ...

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TAWB - Current Transformers - Protection

TAWB - Current Transformers - Protection

Protection current transformer (formerly TAS80P) Ranges: 300 to 2500A (1A or 5A Secondary) Busbar window 82 x 32mm Unit Dimensions : H=136, W=124, D=8...

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Temperature Switches

Temperature Switches

As one of the UK’s leading suppliers of Temperature Switches, Rayleigh Instruments Limited have built a reputation for high levels of customer care an...

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TM1A and TM1V - DC Current and Voltage Isolated Transducers

TM1A and TM1V - DC Current and Voltage Isolated Transducers

Direct connected DC current and voltage transducers DC current transducer TM1A DC voltage transducer TM1V Choice of supply voltage Accuracy 0.5 Input ...

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TM1G - DC Direct Current Signal Separator

TM1G - DC Direct Current Signal Separator

Direct connected DC current signal separator. Ratio 1:1. Self supplied. Unit Dimensions : H=89.5mm, W=70mm, D=69mm

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Rayleigh Instruments Limited

  • Raytel House, Cutlers Road, South Woodham Ferrers
  • Chelmsford
  • Essex
  • CM3 5WA

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