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HOBUT

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HOBUT Profile

Hobut (Howard Butler), established in 1915 in the UK, is a market specialist in manufacturing control products and instruments exported worldwide. The company is the largest brand in the field, consisting of innovative products, including ammeters, current transformers, digital & analogue meters, shunts, voltmeters, selector switches, synchroscopes, multifunctional transducers, panel meters, energy meters, battery charger meters, automotive products, protection & earth leakage relays, and battery condition indicators. Experts dedicatedly design these cutting-edge products in the UK to meet industry standards and users’ requirements. With huge manufacturing warehouses in the UK, Hobut manufactures over 40,000 current transformers and 20,000 panel meters per month with over 120 skilled employees. The company has supply chains in various countries and ranks among the top industries in the field.

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M850-LTHN-1, HOBUT

M850-LTHN-1, HOBUT

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New items
PD72MIS5A2/2-001 0/400/800A, HOBUT

PD72MIS5A2/2-001 0/400/800A, HOBUT

AC Moving Iron Current and Voltage Meters A series from 72 x 72 mm DIN sized panel meter with a horizontal scale, used widely in the panel building industry. Panel Meter with integrated, horizontal 90° scale Accuracy class 1.5 to BS89 IEC51 Scaled up to 40A direct connected Flame retardant case to UL94V0 Protection Class IP52 (front of panel) Fixing via single hole using ’U’ clamp (anti-rotation pin supplied), or 4-point M3 Note Ammeter overload is twice current rating - shown within (brackets) in scale range . Supplied with mounting brackets
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New items
D96 DIAL 0/150/900A, HOBUT

D96 DIAL 0/150/900A, HOBUT

Scales for DIN Standard Meters Panel meter scales suitable for DIN-standard 72 mm and 96 mm CT operated moving iron ammeters. Scales are available for both standard and overload meters.
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New items
M850-LTHN-RS-PO, HOBUT

M850-LTHN-RS-PO, HOBUT

M850-LTHN Power Meter The M850-LTHN is a digital Power Meter that features a 96 x 96 mm moulded case and the choice of three selectable colour backlight LCD screens. The power meter is easy to use and features user-programmable CT & VT ratios. The Unit is configured for 3 Phase/ 4 Wire out of the Box. It also is programmed for other input voltages/ Single Phase. • Large LCD display • 3 Selectable colour options (blue, green or white) • 4 front buttons for programming • Optional RS485 port allows communication via Modbus RTV or BACNET (MSTP) protocol • A relay output can be assigned to either W.h or Var.h • Installation guide supplied or download available of complete installation manual and RS485 Modbus register at www.hobut.co.uk/power-meters Programmable Functions: • Selectable screen colour • Current transformer ratio • Voltage transformer ratio • Bd rate, parity, stops • AC or DC AUX • Single or 3 phase system • Input voltage range 28-570 V • RS485 address, 1-247 • Security code access for programming Standard Functions: • Phase Voltage (V) • Phase to Neutral Voltage (V) • Phase Current (I) • Frequency (Hz) • Active Power (W) • Active Energy (kWh) • Reactive Power (VAr) • Apparent Power (VA) • Reactive Energy (VArh) • Power Factor (PF) • Instantaneous Amp Demand, Instantaneous Watt Demand, Instantaneous VA Demand, Maximum Amp Demand, Maximum Watt Demand, Maximum VA Demand, Neutral Current Measurement Applications: • Low, medium & high-voltage control panels • Gensets • Building management systems • Power management
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New items
D72MC DIAL 0/30A, HOBUT

D72MC DIAL 0/30A, HOBUT

DC Voltage and Current Meters 90° scale arc Accuracy class 1.5; BS89 and IEC51 Flame retardant case to UL94V0 Fitted with mounting brackets Operating temperature range -25 → +40°C Terminal covers available separately 48x48mm ammeters have integral scales; appropriate scales must be chosen and ordered separately for the 72x72 & 96x96mm ammeters Note All ammeters are shunt operated and an appropriate 75mV shunt (no. 257-307 typically) must be ordered separately for each meter; the meters cannot be used without them
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New items
F3PAM1801-10A, HOBUT

F3PAM1801-10A, HOBUT

Polarised Moving Iron Current and Voltage Meters Polarised moving-iron meters with robust movements for use on dc and rectified ac only Accuracy ±8% for battery charger applications Operating temperature range –20 to +40°C Snap-in panel fixing Connections 25mm, 1//4 inch spade terminals, push-on or soldered ’U’ bolt fixing Note Not suitable for unrectified ac applications
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New items
18-5-G6, HOBUT

18-5-G6, HOBUT

Compact Busbar/Base Mounting Current Transformers- Series 18 A range of compact moulded case current transformers suitable for primary currents from 400A to 1600A with built-in sealable terminal covers. The current transformers are used to transform various primary currents into 5A or 1A standard secondary using up to 60 x 15 mm or 50 x 30 mm busbars. Alternatively you can also use cables up to 45 mm diameter. • Built in sealable terminal covers • Mounting feet supplied • Narrow width- 85 mm • Wide range of primary current • Rated system voltage 0.72/3 kV • Continuous current 1.2 x rated current • Conforms to IEC185, BS 7626, BSEN 60044-1 and IEC 60044-1 Current Transformers
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New items
PD721MCS10A/1-001, HOBUT

PD721MCS10A/1-001, HOBUT

Horizontal Scale DC Meters Accuracy class 1.5, to BS89/IEC51 Ammeter till 50A are for use without shunt Ammeter 100A (stock no. 315-9521 ) needs a 100A shunt (stock no. 313-788 ) Ammeter 300A (stock no. 315-9537 ) needs a 300A shunt (stock no. 313-794 ) Integral scales Flame retardant case to UL94V0 Full scale defection 0 to 75mV Operating temperature range –25 to +40° C 72mm high x 72mm wide, panel cut-out 56mm diameter (suitable cutters stock nos. 511-487 and 615-113 ) U-clamp and 4 pin M3 fixing methods supplied including anti-rotation pin
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New items
D72SD5A/0-600A, HOBUT

D72SD5A/0-600A, HOBUT

CT Operated DIN Moving Iron Ammeters 90° scale arc, accuracy class 1.5 Manufactured to BS89/IEC51 Frequency range 15 to 400Hz Operating temperature range –25 to +40°C Flame retardant case to UL94V0 Panel cut out: 68 x 68mm, 92 x 92mm Terminal covers supplied separately (see accessories) Ammeters with 5A FSD movements Compatible with Current Transformers with 5A secondaries (stock No. 313-839 ) Overload rating 10x FSD for 5 seconds Note Scales for CT operated meters must be purchased separately Supplied with Mounting brackets
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New items
D48MIS10A/1-002, HOBUT

D48MIS10A/1-002, HOBUT

Standard DIN AC Moving Iron Meters 90° scale arc, accuracy class 1.5 Manufactured to BS89/IEC51 Frequency range 15 to 400Hz Operating temperature range: –25 to +40°C Flame retardant case to UL94V0 Panel cut out: 45 x 45mm, 68 x 68mm, 92 x 92mm Terminal covers supplied separately (see accessories) Direct reading voltmeters and ammeters for measuring resistive loads Note Ammeter scales illustrated, voltmeter scales are similar Supplied with mounting brackets.
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New items
CTSCMWH30/0.333V, HOBUT

CTSCMWH30/0.333V, HOBUT

mV Split Core Current Transformers A range of mV split core current transformers are designed to fit into confined spaces while the primary conductor is still live. The current transformers are made in a compact design with a mechanical hinge for multiples opening and closing action. For connection into existing networks, they are often for use with multi function meters that have 0.333 V input. • High sensitivity • Class 1 accuracy • Construction- ferrite core material • Case nylon UL flame retardant rating 94V-0 • Linearity with minimum phase shift • 0.333 V ac secondary output at rated current • Mechanical hinge • Input frequency 50 Hz to 400 Hz • Maximum primary voltage 720 V ac • 1 m long flying lead twisted pair (22 AWG) Current Transformers
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New items
D72MIS150V/2-002, HOBUT

D72MIS150V/2-002, HOBUT

Standard DIN AC Moving Iron Meters 90° scale arc, accuracy class 1.5 Manufactured to BS89/IEC51 Frequency range 15 to 400Hz Operating temperature range: –25 to +40°C Flame retardant case to UL94V0 Panel cut out: 45 x 45mm, 68 x 68mm, 92 x 92mm Terminal covers supplied separately (see accessories) Direct reading voltmeters and ammeters for measuring resistive loads Note Ammeter scales illustrated, voltmeter scales are similar Supplied with mounting brackets.
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Related Categories: Process Tube Assemblies Trimmer Resistor Mount Adaptors Energy Meters Multi Function Panel Meters Ammeters Current Transformers Voltmeters Panel Meter Accessories Shunts
Related Products: HOBUT D96SD Panel Meter Scale Dial 0/200A For 200/5A CT AC, 96mm x 96mm Moving Iron HOBUT Base Mounted Current Transformer, -30 → +85 °C 40mm Cable Diameter HOBUT DIN Rail Mounted Current Transformer, -30 → +85 °C, 21mm Diameter HOBUT PD72MC Analogue Panel Ammeter 0/10A Direct Connected DC DC, 72mm x 72mm Moving Coil HOBUT D72SD Analogue Panel Ammeter 0/600A For 600/5A CT AC, 72mm x 72mm Moving Iron HOBUT DC Analogue Voltmeter, 75mV, 68 x 68 mm, HOBUT D48SD Analogue Panel Ammeter 0/10A Direct Connected AC, 48mm x 48mm Moving Iron HOBUT Split Core Current Transformer, , 10mm Diameter , 30A Input, 333 mV Output HOBUT C-TRAN No Display Digital Power Meter, 3 Phase HOBUT F3PAM Analogue Panel Ammeter 10A DC, ±8 % Moving Iron HOBUT M850 LCD Digital Power Meter, 92mm x 92mm, 4-Digits, 3 Phase HOBUT D72SD Panel Meter Scale Dial 0/80/480A For 80/5A CT AC, 72mm x 72mm Moving Iron HOBUT DIN Rail Mounted Current Transformer, -30 → +85 °C 21mm Cable Diameter HOBUT DIN Rail Mounted Current Transformer, -30 → +85 °C, 250:5 HOBUT Universal Mounted Current Transformer, -20 → +70 °C, 26mm Diameter HOBUT Universal Mounted Current Transformer, -20 → +70 °C, 26mm Diameter HOBUT DIN Rail Mounted Current Transformer, -30 → +85 °C, 28mm Diameter HOBUT D96SD Panel Meter Scale Dial 0/80A For 80/5A CT AC, 96mm x 96mm Moving Iron HOBUT Brass-Ended Shunt, 60 A, 60mV Output, ±1 % Accuracy HOBUT D72MC Panel Meter Scale Dial 0/30A For Shunt 75mV DC, 72mm x 72mm Moving Coil