Item Code: 25511

Blue Sea E series battery switch. Dual Circuit Plus

£69.00
(Ex £57.50)
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350 Ampere continuous rating for inboard gasoline and diesel engines.
Tin-plated copper studs for maximum conductivity and corrosion resistance
Studs accept 38" (M10) ring terminals
78" (22mm) stud length accepts multiple cable terminals
One-piece terminal stud design never loosens over time
Case design allows surface or rear panel mounting options
Label with international legends
Tactile indicator conveys knob position by feel

Make-before-break contact design allows switching between battery banks without power interruption.

Dual Circuit Plus Explained
The Dual Circuit Plus is recommended when:
Ease of use is desired
Battery bank selection is not necessary
Using sensitive electronics
Paired with an Automatic Charging Relay (ACR)
The Dual Circuit Plus is a double pole switch designed to supply power to the devices that are connected to a specific battery bank.  This means house electronics are isolated from the engine bank.
This both preserves the starting battery and prevents sensitive electronics from being subjected to voltage sags and spikes during starting. Designed to be coupled with an Automatic Charging Relay (ACR) to provide simultaneous charging of two battery banks from the engines alternator. Below is a recommendation on how to properly use the Dual Circuit Plus Battery Switch when paired with an ACR.
1. Power is Needed - Turn the switch into the ON position.
2. No Power Needed (Storage) Select OFF to prevent current draw.
3. Emergency Parallel (Jump Starting) Turn the switch to the
Combine Batteries position designated in yellow. Once the engine is running, turn the switch to the ON position.

Models with AFD (Alternator Field Disconnect)  9002, 9004, 8992.
Protects the diodes in the alternator in the event of the switch being switched to the OFF position while
the engine is running. If the AFD is not used to protect the alternator, an LED can be connected to
the AFD terminals to indicate when the battery switch is in any position but OFF: ON for the Single Circuit 1,2, or 1+2 for the Selector - 4 Position 1 or 2 for the Selector - 3 Position

WARNING The positive and negative conductors should not be attached to the same battery switch.
The only exceptions are the Dual Circuit Battery Switches 6010 and 5510 Since these models have electrically isolated circuits and do not include a combine feature, they can provide disconnect to the positive and negative conductors simultaneously.
350 Ampere continuous rating for inboard gasoline and diesel engines.
Tin-plated copper studs for maximum conductivity and corrosion resistance
Studs accept 38" (M10) ring terminals
78" (22mm) stud length accepts multiple cable terminals
One-piece terminal stud design never loosens over time
Case design allows surface or rear panel mounting options
Label with international legends
Tactile indicator conveys knob position by feel

Make-before-break contact design allows switching between battery banks without power interruption.

Dual Circuit Plus Explained
The Dual Circuit Plus is recommended when:
Ease of use is desired
Battery bank selection is not necessary
Using sensitive electronics
Paired with an Automatic Charging Relay (ACR)
The Dual Circuit Plus is a double pole switch designed to supply power to the devices that are connected to a specific battery bank.  This means house electronics are isolated from the engine bank.
This both preserves the starting battery and prevents sensitive electronics from being subjected to voltage sags and spikes during starting. Designed to be coupled with an Automatic Charging Relay (ACR) to provide simultaneous charging of two battery banks from the engines alternator. Below is a recommendation on how to properly use the Dual Circuit Plus Battery Switch when paired with an ACR.
1. Power is Needed - Turn the switch into the ON position.
2. No Power Needed (Storage) Select OFF to prevent current draw.
3. Emergency Parallel (Jump Starting) Turn the switch to the
Combine Batteries position designated in yellow. Once the engine is running, turn the switch to the ON position.

Models with AFD (Alternator Field Disconnect)  9002, 9004, 8992.
Protects the diodes in the alternator in the event of the switch being switched to the OFF position while
the engine is running. If the AFD is not used to protect the alternator, an LED can be connected to
the AFD terminals to indicate when the battery switch is in any position but OFF: ON for the Single Circuit 1,2, or 1+2 for the Selector - 4 Position 1 or 2 for the Selector - 3 Position

WARNING The positive and negative conductors should not be attached to the same battery switch.
The only exceptions are the Dual Circuit Battery Switches 6010 and 5510 Since these models have electrically isolated circuits and do not include a combine feature, they can provide disconnect to the positive and negative conductors simultaneously.
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