Product Search

    SEARCH NOW FOR ALL YOUR RADWELL SOLUTIONS

    Radwell is here to supply you with all your plant floor needs.

    Circuit Breaker / Load Center Circuit Breaker

    Radwell is not an authorised distributor, reseller or representative of the products featured on this website. All product names, trademarks, brands and logos used on this site are the property of their respective owners. The depiction, description or sale of products featuring these names, trademarks, brands and logos is for identification purposes only and is not intended to indicate any affiliation with or authorisation by any rights holder.

    Filter Results
    Results 101-150 of 424.
    EATON CORPORATION BAB2110

    EATON CORPORATION

    CUTLER HAMMER

    BAB2110

    CIRCUIT BREAKER, QUICKLAG, TYPE BAB, 1 PHASE, 2 POLE, 120/240V, 110A, 10KAIC @ 240V, BOLT-ON, LI TRIP, THERMAL MAGNETIC
    ✓ IN STOCK!
    £186.03 Price with VAT: £223.23 Buy Surplus As Low As £111.61 Price with VAT: £133.94
    £111.61 Price with VAT: £133.94
    EATON CORPORATION BAB2125

    EATON CORPORATION

    CUTLER HAMMER

    BAB2125

    CIRCUIT BREAKER, QUICKLAG, TYPE BAB, 1 PHASE, 2 POLE, 120/240V, 125A, 10KAIC @ 240V, BOLT-ON, LI TRIP, THERMAL MAGNETIC
    ✓ IN STOCK!
    £130.53 Price with VAT: £156.64 Buy Surplus As Low As £71.20 Price with VAT: £85.45
    £71.20 Price with VAT: £85.45
    EATON CORPORATION BAB3045H

    EATON CORPORATION

    CUTLER HAMMER

    BAB3045H

    CIRCUIT BREAKER, 45 AMP, 3 POLE, 240 VAC
    ✓ IN STOCK!
    £98.10 Price with VAT: £117.72 Buy Surplus As Low As £58.86 Price with VAT: £70.64
    £58.86 Price with VAT: £70.64
    Repair Yours £222.24 Price with VAT: £266.68
    EATON CORPORATION BD1520

    EATON CORPORATION

    CUTLER HAMMER

    BD1520

    CIRCUIT BREAKER, THERMAL MAGNETIC, TYPE BD, 15-20 AMP, 10 KAIC, SINGLE POLE, 120 V
    ✓ IN STOCK!
    £29.32 Price with VAT: £35.18 Buy Surplus As Low As £18.96 Price with VAT: £22.75
    £18.96 Price with VAT: £22.75
    Repair Yours Contact Us
    EATON CORPORATION BD3015

    EATON CORPORATION

    CUTLER HAMMER

    BD3015

    THERMAL MAGNETIC CIRCUIT BREAKER, TYPE BD, 30 AMP, 15 AMP, 120 V, SINGLE-POLE
    ✓ IN STOCK!
    £19.34 Price with VAT: £23.21 Buy Surplus As Low As £11.61 Price with VAT: £13.93
    £11.61 Price with VAT: £13.93
    EATON CORPORATION BAB1060

    EATON CORPORATION

    CUTLER HAMMER

    BAB1060

    CIRCUIT BREAKER, SINGLE-POLE, NON-INTERCHANGEABLE, 60A, 10 KAIC, 120/240V, THERMAL MAGNETIC
    ✓ IN STOCK!
    £68.00 Price with VAT: £81.60 Buy Surplus As Low As £55.75 Price with VAT: £66.90
    £55.75 Price with VAT: £66.90
    Repair Yours Contact Us
    EATON CORPORATION BQC230240

    EATON CORPORATION

    CUTLER HAMMER

    BQC230240

    CIRCUIT BREAKER, BQC QUAD, 1-30 A / 2 POLE, 1-40 A / 2 POLE, 120/240 V, 10K
    ✓ IN STOCK!
    £228.63 Price with VAT: £274.36 Buy Surplus As Low As £176.38 Price with VAT: £211.66
    £176.38 Price with VAT: £211.66
    Repair Yours £200.00 Price with VAT: £240.00
    EATON CORPORATION BJ2125

    EATON CORPORATION

    CUTLER HAMMER

    BJ2125

    TYPE BJ BREAKER 125A/2 POLE 120/240V 10K REQ 4 SPACES
    ✓ IN STOCK!
    £248.16 Price with VAT: £297.79 Buy Surplus As Low As £139.65 Price with VAT: £167.58
    £139.65 Price with VAT: £167.58
    Repair Yours £200.00 Price with VAT: £240.00
    EATON CORPORATION CH115AF

    EATON CORPORATION

    CUTLER HAMMER

    CH115AF

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 15AMP, 1POLE, FIREGUARD AFCI, REPLACED BY CHFCAF115
    ✓ IN STOCK!
    Buy Surplus As Low As £54.82 Price with VAT: £65.78
    £54.82 Price with VAT: £65.78
    Repair Yours £222.24 Price with VAT: £266.68
    EATON CORPORATION CH125

    EATON CORPORATION

    CUTLER HAMMER

    CH125

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, 25AMP, 1 POLE, 120/240V, 10K
    ✓ IN STOCK!
    Buy Surplus As Low As £11.48 Price with VAT: £13.78
    £11.48 Price with VAT: £13.78
    Repair Yours £222.24 Price with VAT: £266.68
    EATON CORPORATION BRH220

    EATON CORPORATION

    CUTLER HAMMER

    BRH220

    CIRCUIT BREAKER, THERMAL MAGNETIC, TYPE BR, 20 AMP, 22 KAIC, 2 POLE, 120/240 V
    ✓ IN STOCK!
    £83.31 Price with VAT: £99.97 Buy Surplus As Low As £63.32 Price with VAT: £75.98
    £63.32 Price with VAT: £75.98
    Repair Yours Contact Us
    EATON CORPORATION BRH260

    EATON CORPORATION

    CUTLER HAMMER

    BRH260

    TYPE BR BREAKER, 60AMP, 2POLE, 120/240V, COM. TRIP, 22K
    ✓ IN STOCK!
    £58.71 Price with VAT: £70.45 Buy Surplus As Low As £33.55 Price with VAT: £40.26
    £33.55 Price with VAT: £40.26
    Repair Yours Contact Us
    EATON CORPORATION BRH290

    EATON CORPORATION

    CUTLER HAMMER

    BRH290

    THERMAL MAGNETIC CIRCUIT BREAKER, TYPE BR, 1-INCH, PLUG-ON CIRCUIT BREAKER, 90 AMP, 22 KAIC, TWO-POLE, 120/240V, BRH, COMMON BREAKER TRIP, #4-1/0 AWG CU/AL, Q28, BRH, TYPE BR LOADCENTERS
    ✓ IN STOCK!
    £101.75 Price with VAT: £122.10 Buy Surplus As Low As £61.05 Price with VAT: £73.26
    £61.05 Price with VAT: £73.26
    Repair Yours Contact Us
    EATON CORPORATION BRH3100

    EATON CORPORATION

    CUTLER HAMMER

    BRH3100

    CIRCUIT BREAKER, THERMAL MAGNETIC, 1-INCH PLUG-ON, 100 AMP, 22 KAIC, 3 POLE, 240 V
    ✓ IN STOCK!
    £195.51 Price with VAT: £234.61 Buy Surplus As Low As £129.04 Price with VAT: £154.85
    £129.04 Price with VAT: £154.85
    EATON CORPORATION CL115

    EATON CORPORATION

    CUTLER HAMMER

    CL115

    TYPE CL BREAKER 15A/1POLE 120/240V 10K CLASSIFIED 1IN. CKT BKR
    ✓ IN STOCK!
    £10.78 Price with VAT: £12.94 Buy Surplus As Low As £6.47 Price with VAT: £7.76
    £6.47 Price with VAT: £7.76
    Repair Yours Contact Us
    EATON CORPORATION BR2030

    EATON CORPORATION

    CUTLER HAMMER

    BR2030

    CIRCUIT BREAKER, THERMAL MAGNETIC, TYPE BR, 20-30 AMP, 10 KAIC, 2 POLE, 120 V
    ✓ IN STOCK!
    £32.37 Price with VAT: £38.84 Buy Surplus As Low As £24.60 Price with VAT: £29.52
    £24.60 Price with VAT: £29.52
    Repair Yours Contact Us
    EATON CORPORATION BR270

    EATON CORPORATION

    CUTLER HAMMER

    BR270

    CIRCUIT BREAKER, TYPE BR, 70 AMP, 2 POLE, 120/240V 10K
    ✓ IN STOCK!
    £44.01 Price with VAT: £52.81 Buy Surplus As Low As £33.45 Price with VAT: £40.14
    £33.45 Price with VAT: £40.14
    Repair Yours Contact Us
    EATON CORPORATION BR-315

    EATON CORPORATION

    CUTLER HAMMER

    BR-315

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, LOAD CENTER, 15AMP, 3 POLE, 240V, 10 KAIC
    ✓ IN STOCK!
    £85.40 Price with VAT: £102.48 Buy Surplus As Low As £55.10 Price with VAT: £66.12
    £55.10 Price with VAT: £66.12
    Repair Yours Contact Us
    EATON CORPORATION BR415

    EATON CORPORATION

    CUTLER HAMMER

    BR415

    CIRCUIT BREAKER, THERMAL MAGNETIC, TYPE BR, 15 AMP, 10 KAIC, 4 POLE, 120/240 V
    ✓ IN STOCK!
    £56.51 Price with VAT: £67.82 Buy Surplus As Low As £33.91 Price with VAT: £40.69
    £33.91 Price with VAT: £40.69
    Repair Yours £222.24 Price with VAT: £266.68
    EATON CORPORATION CHB130GF

    EATON CORPORATION

    CUTLER HAMMER

    CHB130GF

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, GROUND FAULT, TYPE CHB, 1 POLE, 5 MA GROUND FAULT, 30 AMP, 10 KAIC, 120/240 V
    ✓ IN STOCK!
    £120.25 Price with VAT: £144.30 Buy Surplus As Low As £98.59 Price with VAT: £118.31
    £98.59 Price with VAT: £118.31
    Repair Yours Contact Us
    EATON CORPORATION CHB140

    EATON CORPORATION

    CUTLER HAMMER

    CHB140

    CIRCUIT BREAKER, TYPE CHB, 1 POLE, 40 AMP, 10 KAIC, 120/240 V
    ✓ IN STOCK!
    £67.39 Price with VAT: £80.87 Buy Surplus As Low As £43.18 Price with VAT: £51.82
    £43.18 Price with VAT: £51.82
    Repair Yours Contact Us
    EATON CORPORATION CHB280

    EATON CORPORATION

    CUTLER HAMMER

    CHB280

    CHB BOLT-IN SFTYBRKR AIC
    ✓ IN STOCK!
    £366.19 Price with VAT: £439.43 Buy Surplus As Low As £219.72 Price with VAT: £263.66
    £219.72 Price with VAT: £263.66
    Repair Yours £200.00 Price with VAT: £240.00
    EATON CORPORATION BR130

    EATON CORPORATION

    CUTLER HAMMER

    BR130

    CIRCUIT BREAKER, BR SERIES, LONG-TIME / INSTANTANEOUS TRIP FUNCTION, THERMAL MAGNETIC, 10 KA, 30 AMP, SINGLE POLE, SINGLE PHASE, 120 V
    ✓ IN STOCK!
    £7.81 Price with VAT: £9.37 Buy Surplus As Low As £4.50 Price with VAT: £5.40
    £4.50 Price with VAT: £5.40
    EATON CORPORATION CH290

    EATON CORPORATION

    CUTLER HAMMER

    CH290

    CH THERMAL MAGNETIC CIRCUIT BREAKER, TYPE CH 34-INCH STANDARD CIRCUIT BREAKER, 90 A, 10 KAIC, TWO-POLE, 120240V, CH, COMMON BREAKER TRIP, 10-10 AWG CUAL, CH, TYPE CH LOADCENTERS
    ✓ IN STOCK!
    £148.66 Price with VAT: £178.39 Buy Surplus As Low As £53.23 Price with VAT: £63.88
    £53.23 Price with VAT: £63.88
    Repair Yours Contact Us
    EATON CORPORATION CH315

    EATON CORPORATION

    CUTLER HAMMER

    CH315

    CIRCUIT BREAKER, TYPE CH, 15 AMP, 3 POLE, 240 V, 10 KA
    ✓ IN STOCK!
    £312.28 Price with VAT: £374.74 Buy Surplus As Low As £125.27 Price with VAT: £150.32
    £125.27 Price with VAT: £150.32
    Repair Yours £200.00 Price with VAT: £240.00
    EATON CORPORATION CHQ130

    EATON CORPORATION

    CUTLER HAMMER

    CHQ130

    CIRCUIT BREAKER, TYPE CHQ, 30 AMP, 1 POLE, 120/240 V, 10 KAIC
    ✓ IN STOCK!
    £29.79 Price with VAT: £35.75 Buy Surplus As Low As £17.88 Price with VAT: £21.46
    £17.88 Price with VAT: £21.46
    Repair Yours Contact Us
    EATON CORPORATION CHT1515

    EATON CORPORATION

    CUTLER HAMMER

    CHT1515

    CIRCUIT BREAKER, TYPE CHT, 15 AMP, 1-POLE, 120/240 VAC, 14-8 AWG, PLUG IN
    ✓ IN STOCK!
    £42.31 Price with VAT: £50.77 Buy Surplus As Low As £13.83 Price with VAT: £16.60
    £13.83 Price with VAT: £16.60
    GENERAL ELECTRIC SRPG600A500

    GENERAL ELECTRIC

    SRPG600A500

    CIRCUIT BREAKER, RATING PLUG, 500 AMP
    ✓ IN STOCK!
    £233.47 Price with VAT: £280.16 Buy Surplus As Low As £76.16 Price with VAT: £91.39
    £76.16 Price with VAT: £91.39
    Repair Yours Contact Us
    GENERAL ELECTRIC TXQB2130

    GENERAL ELECTRIC

    TXQB2130

    CIRCUIT BREAKER, Q LINE, 65 KAIC, BOLT-ON, 2 POLE, 120/240 V, 30 AMP , TXQB2130
    ✓ IN STOCK!
    £132.76 Price with VAT: £159.31 Buy Surplus As Low As £79.66 Price with VAT: £95.59
    £79.66 Price with VAT: £95.59
    Repair Yours Contact Us
    GENERAL ELECTRIC THHQB32040

    GENERAL ELECTRIC

    THHQB32040

    CIRCUIT BREAKER, TYPE THHQB, LOAD SIDE LUG TERMINALS, 40 AMP, 3 POLE, 208 V , THHQB32040
    ✓ IN STOCK!
    £163.19 Price with VAT: £195.83 Buy Surplus As Low As £117.36 Price with VAT: £140.83
    £117.36 Price with VAT: £140.83
    Repair Yours £200.00 Price with VAT: £240.00
    GENERAL ELECTRIC THQB1125

    GENERAL ELECTRIC

    THQB1125

    CIRCUIT BREAKER, Q LINE, 10 KAIC, BOLT-ON, 1 POLE, 120/240 V, 25 AMP
    ✓ IN STOCK!
    £21.56 Price with VAT: £25.87 Buy Surplus As Low As £12.93 Price with VAT: £15.52
    £12.93 Price with VAT: £15.52
    GENERAL ELECTRIC THQB2140

    GENERAL ELECTRIC

    THQB2140

    CIRCUIT BREAKER, Q LINE, 10 KAIC, BOLT-ON, 2 POLE, 120/240 V, 40 AMP
    ✓ IN STOCK!
    £26.53 Price with VAT: £31.83 Buy Surplus As Low As £16.26 Price with VAT: £19.51
    £16.26 Price with VAT: £19.51
    GENERAL ELECTRIC THQB2145

    GENERAL ELECTRIC

    THQB2145

    CIRCUIT BREAKER, Q LINE, 10 KAIC, BOLT-ON, 2 POLE, 120/240 V, 45 AMP
    ✓ IN STOCK!
    £79.92 Price with VAT: £95.90 Buy Surplus As Low As £31.80 Price with VAT: £38.16
    £31.80 Price with VAT: £38.16
    GENERAL ELECTRIC THQB32015

    GENERAL ELECTRIC

    THQB32015

    CIRCUIT BREAKER, MOLDED CASE, 15AMP, 3POLE, 240VAC, BOLT-ON
    ✓ IN STOCK!
    £153.32 Price with VAT: £183.98 Buy Surplus As Low As £42.52 Price with VAT: £51.02
    £42.52 Price with VAT: £51.02
    Repair Yours Contact Us
    EATON CORPORATION BR110

    EATON CORPORATION

    CUTLER HAMMER

    BR110

    CIRCUIT BREAKER, TYPE BR, 10 AMP, 1 POLE, 120/240 VAC
    ✓ IN STOCK!
    £400.53 Price with VAT: £480.64 Buy Surplus As Low As £19.76 Price with VAT: £23.71
    £19.76 Price with VAT: £23.71
    Repair Yours Contact Us
    EATON CORPORATION BQC2302120

    EATON CORPORATION

    CUTLER HAMMER

    BQC2302120

    CIRCUIT BREAKER, THERMAL MAGNETIC, TYPE BQC, (2) SINGLE POLE 20 AMP, (1) TWO POLE 30 AMP, 10 KAIC, FOUR POLE, 120/240 V
    ✓ IN STOCK!
    £56.05 Price with VAT: £67.26 Buy Surplus As Low As £42.59 Price with VAT: £51.11
    £42.59 Price with VAT: £51.11
    Repair Yours Contact Us
    EATON CORPORATION BRH2100

    EATON CORPORATION

    CUTLER HAMMER

    BRH2100

    CIRCUIT BREAKER, TYPE BR, 22K, 100AMP, 2POLE, 120/240VAC
    ✓ IN STOCK!
    £625.74 Price with VAT: £750.89 Buy Surplus As Low As £59.10 Price with VAT: £70.92
    £59.10 Price with VAT: £70.92
    Repair Yours Contact Us
    EATON CORPORATION BRH2125

    EATON CORPORATION

    CUTLER HAMMER

    BRH2125

    CIRCUIT BREAKER,THERMAL MAGNETIC,TYPE BR 1-INCH PLUG-ON CIRCUIT BREAKER,125 A,22 KAIC,TWO-POLE,120/240V,BRH,COMMON BREAKER TRIP,#4-2/0 AWG CU/AL,Q28,BRH,TYPE BR LOADCENTERS
    ✓ IN STOCK!
    £307.25 Price with VAT: £368.70 Buy Surplus As Low As £123.35 Price with VAT: £148.02
    £123.35 Price with VAT: £148.02
    Repair Yours £200.00 Price with VAT: £240.00
    EATON CORPORATION BRH240

    EATON CORPORATION

    CUTLER HAMMER

    BRH240

    CIRCUIT BREAKER,TYPE BR 1-INCH PLUG-ON CIRCUIT BREAKER,40 A,22 KAIC,TWO-POLE,120/240V,BRH,COMMON BREAKER TRIP,#14-4 AWG CU/AL,Q28,BRH,TYPE BR LOADCENTERS
    ✓ IN STOCK!
    £95.96 Price with VAT: £115.15 Buy Surplus As Low As £43.96 Price with VAT: £52.75
    £43.96 Price with VAT: £52.75
    Repair Yours Contact Us
    EATON CORPORATION BWH2225

    EATON CORPORATION

    CUTLER HAMMER

    BWH2225

    CIRCUIT BREAKER, TYPE BWH, 2-POLE, 25 K, 120/240 V, 225 AMP
    ✓ IN STOCK!
    £322.27 Price with VAT: £386.73 Buy Surplus As Low As £193.37 Price with VAT: £232.04
    £193.37 Price with VAT: £232.04
    Repair Yours £222.24 Price with VAT: £266.68
    EATON CORPORATION CL130

    EATON CORPORATION

    CUTLER HAMMER

    CL130

    CIRCUIT BREAKER, TYPE CL, 30 AMP, 1 POLE, 120/240 V, 10 KAIC
    ✓ IN STOCK!
    £13.46 Price with VAT: £16.15 Buy Surplus As Low As £10.46 Price with VAT: £12.55
    £10.46 Price with VAT: £12.55
    Repair Yours Contact Us
    EATON CORPORATION BR280

    EATON CORPORATION

    CUTLER HAMMER

    BR280

    CIRCUIT BREAKER, TYPE BR, 10 KAIC, 80 AMP, 2 POLE, 120/240 V
    ✓ IN STOCK!
    £296.31 Price with VAT: £355.58 Buy Surplus As Low As £176.01 Price with VAT: £211.21
    £176.01 Price with VAT: £211.21
    EATON CORPORATION BR325

    EATON CORPORATION

    CUTLER HAMMER

    BR325

    CIRCUIT BREAKER, THERMAL MAGNETIC, TYPE BR, 25 AMP, 10 KAIC, 3 POLE, 240 V
    ✓ IN STOCK!
    £68.77 Price with VAT: £82.52 Buy Surplus As Low As £40.06 Price with VAT: £48.07
    £40.06 Price with VAT: £48.07
    Repair Yours Contact Us
    EATON CORPORATION BR345

    EATON CORPORATION

    CUTLER HAMMER

    BR345

    CIRCUIT BREAKER, TYPE BR 1-INCH PLUG-ON CIRCUIT BREAKER, 45 A, 10 KAIC, THREE-POLE, 240V, BR, COMMON BREAKER TRIP, #14-4 AWG CU/AL, Q28, BR, TYPE BR LOADCENTERS, THERMAL MAGNETIC
    ✓ IN STOCK!
    £62.22 Price with VAT: £74.66 Buy Surplus As Low As £36.25 Price with VAT: £43.50
    £36.25 Price with VAT: £43.50
    Repair Yours Contact Us
    EATON CORPORATION CHB110

    EATON CORPORATION

    CUTLER HAMMER

    CHB110

    CIRCUIT BREAKER, 10 AMP, 1 POLE, 120/240 VAC, 10 KAIC
    ✓ IN STOCK!
    £115.91 Price with VAT: £139.09 Buy Surplus As Low As £66.32 Price with VAT: £79.58
    £66.32 Price with VAT: £79.58
    Repair Yours Contact Us
    EATON CORPORATION CHB150

    EATON CORPORATION

    CUTLER HAMMER

    CHB150

    CIRCUIT BREAKER, TYPE CHB, 1 POLE, 50 AMP, 10 KAIC, 120/240 V
    ✓ IN STOCK!
    £80.66 Price with VAT: £96.79 Buy Surplus As Low As £44.25 Price with VAT: £53.10
    £44.25 Price with VAT: £53.10
    Repair Yours Contact Us
    EATON CORPORATION CHB210

    EATON CORPORATION

    CUTLER HAMMER

    CHB210

    CIRCUIT BREAKER, 10AMP, 2P, 240V
    ✓ IN STOCK!
    £124.78 Price with VAT: £149.74 Buy Surplus As Low As £44.36 Price with VAT: £53.23
    £44.36 Price with VAT: £53.23
    Repair Yours Contact Us
    EATON CORPORATION CHB240GF

    EATON CORPORATION

    CUTLER HAMMER

    CHB240GF

    DISCONTINUED BY MANUFACTURER, CIRCUIT BREAKER, CHB TYPE, GROUND FAULT, 2 POLE, 40 AMP, 120/240 VAC
    ✓ IN STOCK!
    Buy Surplus As Low As £206.13 Price with VAT: £247.36
    £206.13 Price with VAT: £247.36
    Repair Yours £200.00 Price with VAT: £240.00
    EATON CORPORATION CHB270

    EATON CORPORATION

    CUTLER HAMMER

    CHB270

    CIRCUIT BREAKER, CHB TYPE, 2 POLE, 70 AMP, 120/240 VAC
    ✓ IN STOCK!
    £433.84 Price with VAT: £520.61 Buy Surplus As Low As £250.97 Price with VAT: £301.16
    £250.97 Price with VAT: £301.16
    Repair Yours £207.41 Price with VAT: £248.89
    EATON CORPORATION CHB-315

    EATON CORPORATION

    CUTLER HAMMER

    CHB-315

    CIRCUIT BREAKER, 15AMP, 3POLE, 240VAC, AL-CU
    ✓ IN STOCK!
    £427.57 Price with VAT: £513.08 Buy Surplus As Low As £139.42 Price with VAT: £167.30
    £139.42 Price with VAT: £167.30
    Repair Yours £200.00 Price with VAT: £240.00
    Previous Next
    1 2 3 4 5 6 7 8 9
    Related Categories
    Disconnect Switch Electrical Cable/Wire Enclosure Fuse Labeling Machine Load Center/Panel Board