The TSRL is standard product for switching on Single-phase transformers of any design. Using the soft-on, it switches on one or more single-phase transformers at no-load or under load without an inrush current surge. This method avoids the inrush current surge and does not just limit it.
With the TSRL, transformers can be quickly fused to their rated current on the primary side and thus optimally protected. In addition, thanks to the TSRL, they can be designed with lower losses and thus more cost-effectively. Our special versions are suitable for your special requirements, such as soft switching on switching power supplies.
Mains Voltage |
110, 230, 400, 500 VAC and various wide voltage ranges as per request |
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Frequency |
45 - 65 Hz |
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Rated Current |
16 A & 32 A |
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Max. peak Current: |
For 16 A (Rated Current) |
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400 A (tpeak = 10 ms) |
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Leakage current 11 mA at 230 VAC |
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Load integral limit: 800 A2s (t = 10 ms) |
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Operating Temp |
0 °C - 60 °C ( Special version: -20 °C - 70 °C) |
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Control Input |
for normally open contact and control voltage |
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Construction |
PCB, housing with or without standard rail holder |
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Housing |
Material ABS, Flammability class UL94 VO |
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Degree of protection |
In the housing: IP20 & circuit board: IP00 |
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EMC (CE) |
Interference immunity: EN 61000-6-2; Interference emission:EN 61000-6-3 |