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Email: sales@maxguard.com.my

Dealers

ACTGEN INDUSTRY SDN BHD

NO. 133, JALAN SEROJA 39,
TMN JOHOR JAYA,
81100 JOHOR BAHRU, JOHOR.
TEL: 07-357 3133

BESTLITE ELECTRICAL SDN. BHD.
NO.1, JALAN 4/92B,
TAMAN KOBENA, CHERAS,
56100 KUALA LUMPUR.
TEL: 03 - 9286 3900/3371
 
CHI-TAK ELECTRICAL (KL) SDN. BHD.
NO.66, JLN.METRO PERDANA BARAT 2,
TAMAN USAHAWAN KEPONG,
KEPONG UTARA, 52100 KUALA LUMPUR.
TEL:  03 - 6257 2238/ 6258 3800
 
COLMEC ELEKTRIK SDN. BHD.
NO. 41, JALAN GANDEK,
OFF JALAN SAN PENG,
55200 KUALA LUMPUR, M' SIA.
TEL: 03 - 9222 0844/ 0846
 
CSM ENGINEERING HARDWARE (M) S/B.
NO.12, JALAN SEPADU B/25B,
TMN. PERINDUSTRIAN AXIS, SEK.25,
40400 SHAH ALAM, SELANGOR D.E.
TEL: 03 - 5122 2588
 
CHOP HUP SENG
3991-F & L, JALAN SULTANAH ZAINAB,
15000 KOTA BAHRU, KELANTAN.
TEL: 09 - 748 4480 
 
DSE ELECTRICAL & LIGHTINGS SDN BHD
15G, JLN. PANDAN INDAH 4/34,
PANDAN INDAH, 
55100 KUALA LUMPUR, M'SIA.
TEL: 03 - 4295 9971
 
D.E. POWER ELECTRICAL & LIGHTING SDN. BHD
NO.16, JALAN GANDEK,
OFF. JALAN SAN PENG,
55200 KUALA LUMPUR.
TEL: 03 - 9222 2990
 
E-LITE ELECTRICAL SDN. BHD.
NO. 69G, JALAN BANDAR 1,
PUSAT BANDAR PUCHONG,
47160 PUCHONG, SELANGOR.
TEL: 03 - 5882 8435/ 8453
 
ENERGY OPTION SDN BHD
B2-6-2, DATARAN NIAGA SG. BESI
MIDFIELDS SQUARE EAST
JLN 11/108C OFF LEBUHRAYA SG. BESI
57100 KUALA LUMPUR
TEL: 019-310 1682
 
FACC ELECTRICAL TRADING SDN BHD
NO. 10, LORONG YAP HIN,
OFF. JALAN PASAR,
55100 KUALA LUMPUR W. P.
TEL: 03 - 2141 0311/ 9078
 
FOCUS ELECTRICAL MALAYSIA SDN BHD
LOT 110 & 111, JALAN INDUSTRI SEMAMBU 6
KAWASAN PERINDUSTRIAN SEMAMBU
25300 KUANTAN, PAHANG
TEL: 03-6188 9317/ 5317
 
GEMILITE SDN. BHD.
NO. 15, JLN. PJS 11/20,
BANDAR SUNWAY,
47500 SUBANG JAYA, SELANGOR.
TEL: 03 - 5635 1111
 
GENTLELITE ELECTRICAL TRADING S/B.
NO. 21, JLN. BANDAR 16,
PUSAT BANDAR PUCHONG,
47100 PUCHONG, SELANGOR D.E.
TEL: 03 - 5882 5282/ 5262
 
GENUINE ELECTRIC SDN. BHD.
NO. 8, JALAN 5/37A, 
KAW. PERINDUSTRIAN TMN.BKT. MALURI,
KEPONG, 52100 KUALA LUMPUR, M'SIA.
TEL: 03 - 6277 9698
 
ITEC ELECTRIC (MALACCA) SDN. BHD.
NO. 12A, 12A-1, 12A-2, JALAN TTC 13,
TAMAN TEKNOLOGI CHENG,
75250 MELAKA.
TEL: 06 - 3366 181
 
JIA SHENG ELECTRICAL SDN BHD
110, JALAN BAKAWALI 49,
TAMAN JOHOR JAYA,
81100 JOHOR BAHRU, JOHOR
TEL: 07-353 7278
 
KIT YEE ELECTRICAL TRADING SDN. BHD.
NO. 30, JALAN 20/16A,
PARAMOUNT GARDEN,
46300 PETALING JAYA, SELANGOR D. E.
TEL:03 - 7877 3119/ 6157
 
KVC INDUSTRIAL SUPPLIES SDN. BHD.
LOT 3, JLN. P10/12, SEKSYEN 10, 
KAW. PERUSAHAAN BANGI, 
43650 BANDAR BARU BANGI, 
SELANGOR DARUL EHSAN.
TEL: 03 - 8925 2828
 
SYARIKAT ELEKTRIK COMBI (JB) SDN BHD
21, JALAN MOLEK 1/8,
TAMAN MOLEK,
81100 JOHOR BAHRU, JOHOR.
TEL: 07 - 3560 208/ 3555 208
 
SIERRA - PLUS (M) SDN. BHD.
NO. 5, JLN PERUSAHAAN 1,
KAW. PERINDUSTRIAN BT. 17,
48000 RAWANG, SELANGOR.
TEL: 03 - 6730 5473
 
SAMAJAYA ELECTRICAL TRADING SDN. BHD.
22, JALAN GANDEK,
OFF JLN. SAN PENG,
55200 KUALA LUMPUR.
TEL: 03 - 9223 6818
 
TM ELEKTRIK SDN. BHD.
NO. 19, JALAN 18/14, 
TMN. KANAGAPURAM, BATU 6,
OFF OLD KLANG ROAD,
46000 PETALING JAYA, SEL. D. E.
TEL: 03 - 7781 1041/ 1045
 
TEKNOPURI SDN. BHD.
NO. 8 & 8-1, JLN. 5/92-B,
TAMAN KOBENA, CHERAS,
56100 KUALA LUMPUR.
TEL: 03 - 9281 2833/  9285 7460
 
TM LITE SDN. BHD.
NO. 21, JLN. ANGGERIK ARANDA 1 31/C,
KOTA KEMUNING,  
40460 SHAH ALAM, SELANGOR D. E.
TEL: 03 - 5122 7063
 
TH ELECTRIC SUPPLY SDN. BHD.
NO. 19, JLN. KUCHAI MAJU 2,
OFF JALAN KUCHAI LAMA,
58200 KUALA LUMPUR.
TEL: 03 - 7983 3131/ 1322
 
TASIK ELECTRIC (PJ) SDN. BHD.
NO. 132 (GR. FLR.),
JALAN SS 24/2, TAMAN MEGAH,
47301 PETALING JAYA, SELANGOR.
TEL: 03 - 7804 3611
 
WH ELECTRICAL MARKETING (M) S/B.
NO. 100, JALAN RADIN ANUM 1,
BANDAR BARU SERI PETALING,
57000 KUALA LUMPUR.
TEL: 03 - 9056 5133
 
Y.L. ELECTRIC (M) SDN. BHD.
99, JALAN 20/7,
PETALING JAYA,
46300 SELANGOR D. E.
TEL: 03 - 7877 3855
 
YAT HIN ELECTRICAL SDN. BHD.
1-G, JALAN MERDEKA RIA 3,
MERDEKA RIA INDUSTRIAL PARK,
KAMPUNG BARU AMPANG,
68000 SELANGOR D. E.
TEL: 03 - 4297 3280
 

 

Residual Current Operated Circuit Breakers (RCCB technical information)

  • To open a circuit automatically in the event of an earth leakage between phase and earth and/or neutral and earth. With effective protection against human contact to earth points.
  • Protection against Direct Contact of persons or livestock with live part.
  • Protection against Indirect Contact of persons or livestock with exposed conductive parts which have become live under fault conditions.
  • Protection against Electrical Fires caused by high resistance fault arching but not causing the over current protection device to operate.
  • Designed with surge current withstand capability to prevent nuisance tripping during thunderstorms. Conditionally surge current proof (250A, 8/20us), without time delayed tripping.
  • These devices are sometimes called an ELCB or RCD.
  • Use in domestic, commercial and industrial installations.

Principle of operation

In the event of a short to earth the residual current operating system to prevent shock hazard voltage from remaining on the body of an electrical equipment. For this purpose, the residual current device monitor the difference between the loads flowing through it and ensures that it is aproximately zero. If, as a result of an earth fault, this difference exceeds the circuit breaker's residual operating current rating ln, then the RCCB will trip and disconnect the circuit of faulty equipment. (refer to Chart 1)

Additional protection in the event of direct contact

In order to provide additional protection in the event of a direct contact with (unearthed) live components, extremely sensitive RCCBs with a rated residual operating current of 30mA or less are used in place of more conventional RCCBs with higher residual operating current ratings.

This additional is necessary if :-

  1. The insulation of shockproof equipment or their leads is defective.
  2. The earth wire is interrupted.
  3. The earth and live wires have been transposed accidentally thus rendering live on the body of a device.
  4. A component which is live in normal operation is touched during repairs.

In the case of installation of equipment in areas with particularly high accident risk such as socket outlet circuits in bathrooms , power and lighting point for aquarium & fish pond. RCCB's with less than 30mA must be provided.

Since, in the event of direct contact, the residual current passes through the human body to earth and this additional protection should under no circumstances be regarded as a basic safety measure but acting merely as an "emergency brake" in the above mentioned electrical fault situations. (refer to Chart 2)

Fire protection

Even relatively insensitive RCCBs (In 300mA) can effectively safeguard against fires caused by earth leakage faults. In the case of residual currents ( 300mA) the electrical energy converted at the location of the earth fault is insufficient to ignite normal building materials. With higher residual currents, the RCCB will shut down in less than 100ms, thereby restricting the amount of energy released to harmless levels.

The use of RCD on 3 phase 3 wires systems

The MAXGUARD range of 4 pole RCCBs can be used to provide residual current protection of 3 phase, 3 wire circuits (no neutral). Use terminal "1-2, "5-6", "N-N", otherwise the RCCB test circuit will not operate.

Selection of Type A RCCB is recommended to ensure compatible safe operation in the presence of pulsating dc components in the circuit. Household products using inverter power conversion technology needs to be protected with Type A RCCB for efficiency.

Chart