Quick WCB Hydraulic Magnetic Circuit Breaker — Installation Instructions
INSTRUCTIONS
Trip ratings, assembly sequence, wiring and dimensions for the Quick WCB hydraulic-magnetic DC circuit breaker used to protect and isolate a windlass.
DocumentQuick WCB Hydraulic Magnetic Circuit Breaker Installation Instructions
FormatPDF · 2 pages · 0.2 MB
LanguageEnglish
Models and Ratings
A DC-specific overcurrent protection: it trips on overcurrent and is reset by hand.
| Model | Trip current | Operating voltage | Operating temperature |
|---|---|---|---|
| WCB 40 | 40 A | Max. 80 Vdc | −40°C to +85°C |
| WCB 50 | 50 A | Max. 80 Vdc | −40°C to +85°C |
| WCB 60 | 60 A | Max. 80 Vdc | −40°C to +85°C |
| WCB 80 | 80 A | Max. 80 Vdc | −40°C to +85°C |
| WCB 100 | 100 A | Max. 80 Vdc | −40°C to +85°C |
Operating temperature refers to the hydraulic-magnetic breaker. Dimensions: plate 49,8 × 74,8 mm (1 61/64 × 2 15/16"); depth behind the panel 67 mm (2 41/64"); toggle 30,4 mm (1 13/64") proud.
Assembly
| No. | Part |
|---|---|
| 1 | Hydraulic-magnet (breaker) |
| 2 | Plastic washer |
| 3 | Neoprene gasket |
| 4 | Control plate |
| 5 | 4 self-tapping screws |
| 6 | Anti-rotation screw |
| 7 | WCB label |
| 8 | Red magnetic-hydraulic protective cap |
- Assemble in the numbered order.
- 7a: peel the backing from the label without touching the adhesive, after cleaning the control plate (4). Do not apply below 18 °C.
- 7b: lay one side of the label against the edge of the control plate first, then press the whole surface down firmly.
- 7c: remove the transparent protective film.
Item 8 is a red protective cap in the English list but a black diverter cap in the Italian list (as printed).
Wiring
- The breaker sits in the positive lead: LINE terminal to the battery (or DC supply) positive, the other terminal to the positive of the equipment; battery negative straight to the equipment negative.
- Maximum 80 Vdc.
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