TS series Type 1 lightning current arrester is designed according to GB 18802.11 / IEC 61643-11 for installation at LPZ 0A -1 or higher, protecting low voltage equipment against lightning and surge damages. Applied in SPD Type 1(Class B) or Type 1+II (Class B+C) for various power supply system of lightning current surge protection, specially designed for TN-S system(“4-0” circuit) and installed in floor distribution-box or Class I main distribution box.
♦ Basic Circuit Diagram
♦ Technical Data of TS-385B50RM/4 & TS-255B50RM/4
| Model Number | TS-385B50RM/4 | TS-255B50RM/4 | |
| Rated voltage (max. continuous voltage) | Uc | 385VAC~ | 255VAC~ |
| Lightning impulse current (10/350) | Iimp | 50 kA(L-N) | |
| Lightning impulse current (10/350) | Iimp | 200kA(L1+L2+L3+N) | |
| Nominal discharge current (8/20) | In | 100 kA | |
| Max. discharge current (8/20) | Imax | 200 kA | |
| Voltage protection level | Up | ≤ 1.8 kV (L-N) | |
| Follow current extinguishing capability at Uc | If | 32A fuse will not be triggered at 10kArms | |
| Response time | tA | ≤ 25ns | |
| TOV voltage | UT | 335V / 5sec | |
| Max. back up fuse (L) | 200AgL/gG | ||
| Max. back up fuse (L-L’) | 125AgL/gG | ||
| Operating temperature range (parallel wiring) | TUP | -40°C…+80°C | |
| Operating temperature range (through wiring) | TUS | -40°C…+60°C | |
| Relative humidity: | ≤95% (25°C) | ||
| Cross-sectional area | 35mm2 solid / 50mm2 flexible | ||
| Mounting on | 35mm DIN rail | ||
| Enclosure material | Grey thermoplastic, UL94-V0 | ||
| Dimension | 8 mods | ||
| Type of remote signalling contact | Switching contact | ||
| Switching capacity | UN/IN | AC:250V/0.5A; DC:250V/0.1A,125V/0.2A,75V/0.5A | |
| Cross-Section area for remote signalling contact | Max. 1.5mm2 solid / flexible | ||
| Standards | IEC 61643-11 & GB 18802.11 | ||
| Compliance | CE (LVD, EMC) | ||
♦ MAIN CHARACTER
1, Three-phase protection for TN-S system.
2, Adopted hermetical GDT technology, high follow current extinguish capability.
3, Double thermal disconnection device , provide more reliable protection.
4, Multifunctional connection for conductors & busbars.
| INSTALLATION INSTRUCTION According to lightning protection zones concept, for installation at LPZ 0A -1 or higher. It is usually installed in floor distribution-box or Class Ⅰ main distribution-box. Fuse must be installed at the upstream of the SPD or the lightning arrester to make sure that protected system has double protection. The value of the fuse used in a SPD system should be conformed to: 1. The value of FUSE should not be larger than the max.withstand capacity of the SPD’s backup fuse value. 1. Under the status of the max. current in the power supply & close loop circuit available current, the fuse shouldbe able to disconnect when overloaded or short-circuited. 2. Take 1 & 2 into consideration, the fuse should be as large as possible to allow the maximum surge discharge of SPD. |
| INSTALLATION STEPS 1) Check the product for integrity of the package; 2) Mount the SPD on 35 mm DIN rail. 3) Connect conductors, the cross-sectional area of cable must be larger than 16mm2 . The withstand voltage value of cable is not smaller than AC500V; ensure wiring reliable. 4) If need remote alarm, it should be connected signal lines to remote signal terminal 1 and 2, or 2 and 3 (When normal, 1 and 2 open, 2 and 3 close; when fault, the state is reversed). 5) After above, switch on the power supply and turn on the circuit breaker, test the SPD does not fault appear, this indicates the unit is operating normally. Regularly inspect the operating status, especially after lightning. Once the fuse upstream break, or the SPD’s fault appear, electrician should check/replace the SPD. |
| INSTALLATION DIAGRAM (4+0)
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| WARNING: 1, The device must be installed by electrically skilled person, conforming to national standards & safety regulations. 2. It is recommended that installation should be done under power off condition. |
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