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INSTRUCTIONS

Installation, wiring examples, remote control fitting, operation and technical data for the Vetus BPMAIN12 / BPMAIN24 remotely operated battery main switch and emergency stop for a bow thruster or anchor windlass.

DocumentVetus Remotely Operated Main Switch / Emergency Stop BPMAIN12, BPMAIN24 Installation Instructions
FormatPDF · 16 pages · 1.0 MB
LanguageEnglish
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Technical DataInstallationOperationProducts
Vetus Remotely Operated Main Switch / Emergency Stop BPMAIN12, BPMAIN24 — Installation Instructions

Technical Details

Item Value
Contact 1 x Normally Open
Max. current Continuous, not changing: 250 A; intermittent for 3 min.: 800 A
Consumption 0.85 A at 12 V DC; 0.45 A at 24 V DC
Overall 140 × 140 mm (5 1/2") flange; 165 mm (6 1/2") overall depth, 131 mm (5 3/16") behind the bulkhead, knob 61 mm (2 3/8") in front; bulkhead max 25 mm (1")
Bulkhead cut-out 100 × 100 mm (3 15/16"); 4 holes ø 4,5 mm (3/16") on 124 × 124 mm (4 7/8")
Remote control 30 × 55 mm (33 × 58 mm with cover); hole 22.3 +0.4 mm with 24.1 +0.4 mm key; panel 1 – 6 mm; nut 1.2 – 2 Nm

A 1:1 drill template is on the last page of the PDF: print at 100% and check the scale bar before cutting.

Main Switch

  • Disconnect all battery cables when adding the switch to an existing installation; keep the switch OFF while connecting it.
  • Fit it in a bulkhead as close as possible to the bow thruster or windlass battery to keep cables short.
  • Connect it in the − (ground) cable from the battery to the motor; use cables of sufficient cross-section and cable terminals.
  • With a series-parallel switch: use a 12 Volt main switch for a 24 Volt thruster on a 12 Volt network, and a 24 Volt main switch for a 48 Volt thruster on a 24 Volt network.

Remote Control

  • Place it near the steering position, readily accessible, and fit it as shown in the drawings.
  • Lay the cable to the main switch and plug the connectors together; if the cable must be cut, reconnect core to core by colour.
  • With two steering positions both panels connect through a T-piece or splitter.
  • Check: battery connected, switch on and confirm the thruster or windlass works; switch off and confirm it can no longer be switched on.

Wiring Examples

  • 12 Volt bow thruster; 24 Volt bow thruster.
  • 24 Volt bow thruster with a series-parallel switch on a 12 Volt board system.
  • 48 Volt bow thruster with a series-parallel switch on a 24 Volt board system.

Main fuse size and main current cable cross-section: see the bow thruster manual. The main switch power supply is wired in 1mm2.

Operating

Action How
Switching on Make sure the large red knob on the main switch is pulled out; press the green key ( I ) briefly. The light on the remote control comes on.
Switching off Press the red key ( O ) briefly. The light goes out.
Emergency off Push in the large red knob on the battery main switch.

Need a part that isn't listed? Ask us to source it and quote the part number from the PDF.

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