BLUE SEA 187 Series Circuit Breaker BUSS MRCB / built in

SVB item number: 31688 Manufacturer no.: 7038-BSS
This circuit breaker combines switching and circuit protection into a single device - a practical and compact solution. Clear, single lever operation. Product details
Recommended retail price: €110.46
only  €89.95
-19%
You save: €20.51
5 | in stock
pcs.
Having issues?
If you are not redirected to PayPal, it could be due to your browser settings. Please check and if necessary deactivate the setting "Hide IP address" in the settings -> Safari -> Hide IP address. Please also check your browser for updates.
MyBoat
Are you already using this item?
Add to my boat now.

Product data

  • SVB item number 31688
  • EAN 632085070380
  • Manufacturer no. 7038-BSS
  • Description BLUESEA - Circuit breaker
  • Fuse value 40 A
  • Operating voltage 12 V, 230 V, 125 V
  • Connection type Threaded bolt
  • Bolt-Ø 8 mm
  • Trigger mechanism Thermal
  • Installation type Recessed
  • Length 86 mm
  • Width 57.5 mm
  • Height 59 mm
  • Mounting Ø 54 mm
  • Installation depth 44.5 mm
  • IP protection class IP66

Product details

This circuit breaker combines switching and circuit protection into a single device - a practical and compact solution. Clear, single lever operation.

Safety
  • "Trip Free" design cannot be held "ON" during fault current condition.
  • Waterproof: Suitable for reliable use even in wet environments
  • Ignition protected: Safe for installation aboard petrol powered boats

Comfort
  • Single lever operation: Intuitive and fast control.
  • Recessed mounting holes: For a clean appearance.
  • Large clearance around terminal studs: Enables the use of cable lugs with a large cross-section.
  • Solid M8 connection terminals: Ensure a perfect fit of the cable lugs.
  • Large lever with vertical/horizontal alignment: clearly indicates the status of the switch (on/off).

Use
Ideal for use in boats, motorhomes, trade and industry.

Technical specifications
Max. Voltage: 48 V DC
Installation: Flush mounted
Trigger mechanism: Thermal release, switchable/manual reset
Interrupt capacity: 5000 A @ 14V
3000 A @ 28V
1500 A @ 48 V
Operating temperature range: -40 °C to + 85 °C
Cable connection: M8 bolts


bluesea,blue,sea,7042,7038,bss,circuit breaker,protection,switch,isolator,isolator switch,80,40,a,80a,40a,installation,


Product safety

What other SVB customers have to say

100% real reviews

1 customer reviews

3 (out of 1 ratings)
5 Stars
(0)
4 Stars
(0)
2 Stars
(0)
1 Stars
(0)
100% recommend SVB
Segelschule S.
by Segelschule S. Flag of Germany 10/7/2025 Verified purchase Variant: 31964
everything ok corresponds to expectations
everything ok corresponds to expectations

Rate product

How would you rate this product?
Disappointed
Completely fails to meet my expectations
Poor
Only some expectations are met
OK
Meets my basic expectations
Good
Slightly better than my general expectations
Excellent
Fully exceeds my expectations
Click on the stars to rate

Customers ask customers

No questions asked yet. Be the first to ask a question!

E-mail Newsletter

Product news, offers & new guide videos. Stay up to date!

WhatsApp

New: Get news from SVB straight to your phone!

BLUE SEA 187 Series Circuit Breaker BUSS MRCB / built in
Fuse value 40 A