Yongsung
Test Terminal Block
CTT and PTT, 3P or 4P, AC 250V 10A. CTT is the Circuit Opening Prevention Type for Current Transformer testing; PTT for Potential Transformer testing.
- Switchgear Accessories
Yongsung
Cam Switch
To prevent electric shock, it applies terminal protect cover.
Datasheet available on request. Mention it in your quote notes.
Key specifications
| Series | YS C20 cam switch (General, Padlock, Pull-turn, Lockout-relay types); YS DN/DNC series (10A, 20A, 30A) also in catalog |
|---|---|
| C20 rated insulation voltage | AC 600V / DC 250V; rated thermal current 20A |
| C20 AC rating (resistive/inductive) | 110-120V 20A/6.6A; 220-240V 10A/3.3A; 380-440V 6A/1.65A |
| C20 DC rating (resistive/inductive) | 110V 5A/1A; 125V 4.4A/0.9A; 220V 2.5A/0.5A |
| C20 stages/blocks | 2-12 stages; up to 12 contact blocks manual return, up to 5 spring return |
| C20 front plate | 60 x 60 mm; panel thickness up to 6 mm |
| Life | mechanical 500,000 ops, electrical 100,000 ops (20 ops/min) |
| Dielectric | insulation >100 MOhm (DC 500V); withstand AC 2,500V/1 min; contact resistance <50 mOhm |
| Ambient | -20 to +60 C, 45-85% RH |
| Safety | terminal protection cover against shock; captive terminal bolts; lug terminals for crimp connection |
| Standards/marks | IEC 60947-5-1, KS C 4519; cULus, CCC, CE, KC |
From the manufacturer's datasheet. Ratings vary by model, so our engineers confirm the exact specification with your quotation.
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