SURGE PROTECTIVE DEVICES

SURGE PROTECTIVE DEVICES

COMPANY INTRODUCTION Bridex Singapore Pte Ltd is founded in 1978 as a manufacturer of instruments transformer for the Asian market. We are the first local electrical switchgear components manufacturer that launches our own Asian identity Today we aim to become a knowledge-based, technology driven engineering organization, with emphasis on providing solution for electrical distribution and control. We specialize in the area of instruments, distribution & protection and power quality solution. With our present headquarter in Singapore and subsidiaries that are located in Australia, Malaysia, Philippines and representative office in Vietnam, we are well equipped to service both local market and countries in the Asia Pacific. PRODUCTION INTRODUCTION Rudolf Surge Protective Devices Transient over-voltage is characterized with high peak values, rapid amplitude growth and a short duration. Surge voltages can be caused by: - Lightning - Switching of electrical loads by the power utilities - Switching of high power machines - Electro-static discharges When a surge voltage is produced in an electrical conductor, an over-current with a magnitude of several ka is lead to earth, it can reach installation through low voltage network, data lines (voice & data), high frequency lines (antennas) or conductors of earth terminations. In order to avoid the over-current destroying the equipment connected to the electrical system, surge protective device is installed in front of the equipment to derive the current generated by the surge voltage directly to earth. This action by-pass the surge voltage from the equipment and lead it to earth. Surge Protection Devices are needed in any kind of electrical installation, in order to protect and provide the following benefits: - Protect against lightning, its destructive consequences, and the costly repairs and downtimes that they originate; - Avoid downtimes caused by random logic failures (that require to restart electronic equipment to get it back into operation); - Increase operative life of electronics, by providing to it always a clean and disturbancefree power supply; surge protective devices the brand that add values to your solution.

BASIC FEATURES In order to select the most appropriate SPD, we need to understand the selection criteria: Maximum discharge current (Imax) : The maximum current through the SPD having an 8/20 wave-shape and magnitude to derive the over-current to earth for one time without suffering damage. Nominal discharge current (In) Voltage protection level (Up) : The current through the SPD having a 8/20 wave-shape and magnitude to derive the over-current to earth for 15 times without suffering damage. : The performance of the SPD in limiting the voltage across its terminals when the nominal discharge current passes through it. Maximum continuous operating voltage/ : The maximum r.m.s. voltage which may be continuously rated voltage (Uc) applies to the SPD mode of protection. Location of the protector in accordance to international standard recommendation is classify into 3 classes. - Class I : High protection level, 10/350 wave-shape to be assemble at the entry connection - Class II : Medium protection level, 8/20 wave-shape to be assemble downstream from Class I protection for example: at the LV Main Switchboard. - Class III : Fine protection level, 8/20 wave-shape to be assemble at the load end or downstream from Class II protection. SPDs are parallel units hence its installation is easy and fast. General Installation Rules Selection of RUDOLF s SPD to be installed, this is done by verify the specifications of the electrical installation with the specifications of your selected RUDOLF s SPD. (Voltage,nr. of phases, protection level); Read the installation manual before installing any RUDOLF s SPD; Measure voltage between L-N and L-L in your system. Check if the voltage is correct in respect to the Uc of the selected RUDOLF s SPD; Check if PE is correct (according to the standards); Select MCB if needed; Switch-off the power supply on the line or panels where the RUDOLF s SPD must be connected; Connection of RUDOLF s SPD in parallel; Check the wire distance between the RUDOLF s SPD and the connection point to the Line. - Very important: the wire distance between the RUDOLF s SPD and the AC Line should be kept as short as possible, ideally at no more than 1 meter. - Above 1 meter of connecting wire length, the Up will increase at 20 V per every additional 20 cm. (decreasing performance due to larger impedance). Keep the connecting wire as straight as possible. Do not coil it. Ground properly the RUDOLF s SPD. If RUDOLF s SPD is connected in a cabinet or in combination with an RCB, install the RUDOLF s SPD prior to the RCB. When turning power on, check if diagnostics are OK. If out of order switch off the power, check connections and try again.

SELECTION GUIDE Product Code No. of Poles Imax (ka) Un (VAC) Configuration Modes Protected R-SPD2011 1 20 230 Monoblock 1 R-SPD202 1P+N 20 230 Monoblock 3 R-SPD204S 3P+N 20 400 (L-L) / 230 (L-N) Monoblock+signal 7 R-SPD4511 1 40 230 Monoblock 1 R-SPD452 1P+N 40 230 Monoblock 3 R-SPD454S 3P+N 40 400 (L-L) / 230 (L-N) Monoblock+signal 7 R-SPD6511 1 65 230 Monoblock 1 R-SPD652 1P+N 65 230 Monoblock 3 R-SPD654S 3P+N 65 400 (L-L) / 230 (L-N) Monoblock+signal 7 R-SPD10011S 1 100 230 Monoblock+signal 1 R-SPD10013S 1 100 400 Monoblock+signal 1 WIRING DIAGRAM TN-C Networks TT Networks TNS Networks TT Networks TN Networks

SPECIFICATION Class II : 20 ka, 40 ka Medium Protection Level Description R-SPD2011 R-SPD202 R-SPD204S R-SPD4511 R-SPD452 R-SPD454S Nominal Voltage (Un) 230 V 230 V 400 V (L-L) / 230 V 230 V 400 V (L-L) / 230 V (L-N) 230 V (L-N) Frequency 50/60 Hz 50/60 Hz 50/60 Hz 50/60 Hz 50/60 Hz 50/60 Hz Maximum Continuous 275 V 275 V 440 V (L-L) / 275 V 275 V 440 V (L-L) / Voltage (Uc) 275 V (L-N) 275 V (L-N) I max (1x) 8/20 KA 20 ka 20 ka 20 ka 40 ka 40 ka 40 ka I nom (15x) 8/20 KA 8 ka 5 ka 5 ka 15 ka 15 ka 15 ka Circuit Type MOV MOV MOV MOV MOV MOV Time Response <25 ns <25 ns <25 ns <25 ns <25 ns <25 ns Protection L-G, L-N, L-G, L-L, L-G, L-N, L-G, L-L, N-G L-N, N-G N-G L-N, N-G Diagnostics Optical Optical (LED) Optical (LED) Optical, Optical (LED) Optical (LED) + Signal + Signal Thermal fuse Yes Yes Yes Yes Yes Yes No. Of Poles 1 2 4 1 2 4 Connection Parallel Parallel Parallel Parallel Parallel Parallel Box DIN DIN DIN DIN DIN DIN Width Of Housing 18 mm 36 mm 90 mm 18 mm 36 mm 90 mm Maximum Cable Section 6 mm 2 25-35 mm 2 25-35 mm 2 25-35 mm 2 25-35 mm 2 25-35 mm 2 Ground Connections 6 mm 2 25-35 mm 2 25-35 mm 2 25-35 mm 2 25-35 mm 2 25-35 mm 2 Operating Temperature -30 C, 75 C -30 C, 75 C -30 C, 75 C -30 C, 75 C -30 C, 75 C -30 C, 75 C Voltage Protecting 1.2 kv 1.2 kv 1.2 kv 1.3 kv 1.3 kv 1.3 kv Level Up @ In

SPECIFICATION Class II : 65 ka High Protection Description R-SPD6511 R-SPD652 R-SPD654S Nominal Voltage (Un) 230 V 230 V 400 V (L-L) / 230 V (L-N) Frequency 50/60 Hz 50/60 Hz 50/60 Hz Maximum Continuous 275 V 275 V 440 V (L-L) / 275 V (L-N) Voltage (Uc) I max (1x) 8/20 KA 65 ka 65 ka 65 ka I nom (15x) 8/20 KA 20 ka 20 ka 20 ka Circuit Type MOV MOV MOV Time Response <25 ns <25 ns <25 ns Protection L-G, L-N, N-G L-G, L-L, L-N, N-G Diagnostics Optical Optical (LED) Optical (LED) + Signal Thermal fuse Yes Yes Yes Nr. Of Poles 1 2 4 Connection Parallel Parallel Parallel Box DIN DIN DIN Width Of Housing 18 mm 36 mm 90 mm Maximum Cable Section 25-35 mm 2 25-35 mm 2 25-35 mm 2 Ground Connections 25-35 mm 2 25-35 mm 2 25-35 mm 2 Operating Temperature -30 C, 75 C -30 C, 75 C -30 C, 75 C Voltage Protecting 1.5 kv 1.5 kv 1.5 kv Level Up @ In * Optical : With local flag display Optical + Signal : With local flag display & remote auxiliary contact

SPECIFICATION Class I : 100 ka High Protection Description R-SPD10011R R-SPD10013IR Nominal Voltage (Un) 230 V 400 V Frequency 50/60 Hz 50/60 Hz Maximum Continuous 270 V 440 V Voltage (Uc) I max (1x) 8/20 KA 100 ka 100 ka I nom (15x) 8/20 KA 30 ka 30 ka Circuit Type MOV MOV Time Response <25 ns <25 ns Protection L-G L-G Diagnostics Optical (LED) + Signal Optical (LED) + Signal Thermal fuse Yes Yes Nr. Of Poles 1 1 Connection Parallel Parallel Box DIN DIN Width Of Housing 36 mm 36 mm Maximum Cable Section 50 mm 2 50 mm 2 Ground Connections 50 mm 2 50 mm 2 Operating Temperature -30 C, 75 C -30 C, 75 C Voltage Protecting 1200 V 1800 V Level Up @ In * Optical : With local flag display Optical + Signal : With local flag display & remote auxiliary contact