In order to protect the electronic equipment from lightning surges invading the cable, the electronic equipment installed between the electronic railway crossing device and the field equipment is directly installed on the terminal tray for use.
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Item | Performance | |||||
T-24 | T-24A | T-200 | T-200A | T200-E | T200-AE | |
Terminal block JS [ ] type | ○ | ― | ○ | ― | ○ | ― |
Discharge tube terminal tray, wiring terminal | ○ | ― | ○ | ― | ○ | ― |
FT terminal tray | ― | ○ | ― | ○ | ― | ○ |
Tapedeterioration indicates function | ― | ○ | ○ | |||
Nameplate identification color | blue | red | white | |||
Nominal line voltage | DC24V | DC200V | DC200V AC200V | |||
Maximum allowable line voltage | AC65V | AC350V | DC350V(AC245V) | |||
Dc discharge starting voltage | 350V±20%(100V/s) | 470V±20%(100V/s) | ||||
Impulse discharge starting voltage | 750V below(10/200μs3kV ) | 800V below(10/200μs3kV) | ||||
Limiting voltage | 150V below(10/200μs200A) | 900V below(10/200μs200A) | ||||
Maximum impulse current tolerance | 10/200μs・1kA、More than once times | |||||
Impulse cycle current tolerance (Starting voltage of DC discharge after test) | 10/200μs200A · 1 minute interval, more than 50 times (350V±25%) | 10/200μs200A · 1 minute interval, more than 50 times (470V±25%) | ||||
Insulation resistance (between terminals) | More than 100MΩ at DC100V | More than 100MΩ at DC250V | ||||
Size(only SPD (mm) | W11.4×D37×H44 | W24×D52.5×H30.5 | W11.4×D37×H44 | W24×D52.5×H30.5 | W11.4×D37×H44 | W24×D52.5×H30.5 |
Mass(g) | 20 | 25 | 20 | 25 | 20 | 25 |
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