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Victron 275A Battery Switch On/Off

48V Max System Isolator with ISO8846 Ignition Protection


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DESCRIPTION

Victron Energy 275A Battery Isolator Switch: Reliable DC Power Management

Secure Your Off-Grid and Marine Power Systems

The Victron 275A Battery Switch is an essential safety and maintenance component for any serious 12V, 24V, or 48V DC power setup. Serving as a robust physical disconnect between your battery bank and your loads or charge sources, this victron battery isolator switch provides complete control over your energy system. Whether you are performing routine maintenance, placing your camper or boat into long-term storage, or need an emergency shut-off point, this switch ensures that your electrical circuits are fully isolated to prevent parasitic draw and electrical hazards.

Engineered for High-Current Applications up to 48V

Unlike standard automotive switches that may struggle or arc under higher voltages, this unit is engineered to safely handle systems up to a maximum of 48V DC. This makes it an ideal 48V switch for modern high-capacity lithium battery banks and heavy-duty inverter setups. With a continuous current rating of 275A, a one-minute rating of 455A, and a massive cranking rating of 1250A, it easily accommodates the surge demands of large engine starters or high-draw Victron inverter equipment. If you are looking for a reliable victron inverter on off switch for the primary DC cable run, this model delivers the required capacity without risking dangerous voltage drops or overheating.

Heavy-Duty Terminals and Uncompromising Durability

At the core of the switch's performance are the heavy-duty tin-plated copper terminals. These 3/8 inch (approx. 9.5 mm) studs provide exceptional conductivity while resisting corrosion in harsh environments. By utilising tin-plated copper, the switch minimises electrical resistance, ensuring efficient power transfer and reducing the risk of heat build-up under load. The base is constructed from glass fibre reinforced nylon, offering exceptional structural integrity and resistance to both thermal and mechanical stress.

Certified Ignition Protection for Marine Environments

Safety is paramount in enclosed spaces and engine rooms. This victron dc switch holds ISO8846 and SAE J1171 ignition protection certifications. This means the internal switching mechanism is completely sealed against igniting surrounding flammable gases or fuel vapours. For marine applications, automotive engine bays, or tightly enclosed caravan battery compartments, this certification provides vital peace of mind.

Ergonomic Operation and Flexible Installation

Understanding how to install and integrate a battery switch into an existing system is often a challenge, but this model is designed for maximum versatility. The enclosure features removable windows on all four sides, allowing for neat and unobstructed cable routing from any direction. You can configure it as a free-standing surface mount or install it flush as a rear panel mount.

The vibrant red rotary knob is ergonomically shaped for easy operation even when wearing gloves. For added security and maintenance safety, the knob is entirely removable in the "Off" position, effectively serving as a lockout mechanism to prevent accidental re-energisation of the circuit. Furthermore, the unit includes a customisable label sheet, allowing you to clearly identify which battery bank or circuit the switch isolates.

Key Benefits and Features

  • Compatible with high-voltage DC systems up to 48V maximum, ideal for modern off-grid setups
  • Tin-plated 3/8 inch (approx. 9.5 mm) copper studs for superior corrosion resistance and low-resistance conductivity
  • ISO8846 and SAE J1171 ignition protected for safe installation in marine engine rooms and enclosed spaces
  • Removable knob acts as a physical safety lockout during system maintenance
  • Four removable side windows and dual mounting options provide exceptional installation flexibility
  • Included interchangeable label stickers allow for clear identification of isolated circuits

Take Control of Your Energy Storage

Protect your valuable batteries from parasitic drains and ensure your maintenance procedures are completely safe. Upgrade your electrical board with the Victron 275A Battery Switch today and experience the reliability of professional-grade DC power isolation.


SKU: VIC-VBS127010010

SPECIFICATIONS

Specifications

Battery Switch  
Max. Continuous Current 275 A
One Minute Rating 455 A
Cranking Rating 1250 A
Voltage Rating 48 V
Terminal Material Tin-plated copper
Hex Nut Material Tin-plated copper
Terminal Diameter 3/8 inch / 9.53 mm
Recommended Torque 70 lbf·inch / 8 N·m
Base Material Glass fiber reinforced nylon
Weight 0.4 lb / 0.2 kg
Dimensions (HxWxD) 1.8 x 6.0 x 1.25 inch / 69 x 69 x 73 mm
Mounting Surface or rear panel mount
Ignition Protected ISO8846 / SAE J1171

SKU: VIC-VBS127010010
Barcode: 8719076052258
Model #: VBS127010010
MPN: VBS127010010

WARRANTY

Victron Energy Limited Warranty Policy

Victron Energy warrants its products to be free from defects in workmanship and materials for a period of 5 years from the date of purchase by the end user, with a maximum of 66 months from the Victron Energy invoice date. Exceptions on this are: lead acid batteries; 2 years from date of purchase by the end user, with a maximum of 30 months from the Victron Energy invoice date, Lithium-ion batteries; 3 years from date of purchase by the end user. In addition to this proof of correct battery usage is required when making a battery warranty claim.

During this period, Victron Energy will, at its option, repair or replace the defective product free of charge. The warranty does not include performing or reimbursing de‐installation, transportation and re‐installation. This warranty will be considered void if the unit has suffered any physical damage or alteration, either internally or externally, and does not cover damages arising from improper use like: • Reverse of battery polarity. • Inadequate connection. • Mechanical shock or deformation. • Contact with liquid or oxidation by condensation. • Use in inappropriate environment (dust, corrosive vapor, humidity, high temperature, biological infestation...). • Breakage or damage due to lightning. • Connection terminals and screws destroyed or other damages, like overheat, due to insufficient tightening. • For any electronical breakage except due to lightning (reverse polarity, over‐voltage due to external cause), the state ofthe internal control diode and of the inputs/output X and Y capacitors determine the warranty.

This warranty will not apply where the product has been misused, neglected, improperly installed, or repaired by anyone else than Victron Energy or one of its authorized Qualified Service Partners. In order to qualify for the warranty, the product must not be disassembled or modified.

Repair or replacement are our sole remedies and Victron Energy shall not be liable for damages, whether direct, incidental,special, or consequential, even caused by negligence or fault.

Victron Energy owns all parts removed from repaired products. Victron Energy uses new or reconditioned parts made by various manufacturers in performing warranty repairs and building replacement products. If Victron Energy repairs or replaces a part of a product, its warranty term is not extended. In case of replacement the new component has a warranty of 6 months, without effect on the initial warranty period. All remedies and the measure for damages are limited to the above. Victron Energy shall in no event be liable for consequential, incidental, contingent orspecial damages, even if having been advised of the probability of such damages. Any and all other warranties expressed or implied arising by law, course of dealing, course of performance, usage of trade or otherwise, including but not limited to implied warranties of merchantability and fitness for a particular purpose, are limited in duration to a period of two (2) years from the date of purchase.

Life Support Policy As a general policy, Victron Energy, does not recommend the use of any of its products in life support applications where failure or malfunction of the Victron Energy's product can be reasonably expected to cause failure of the life support device or to significantly affect its safety or effectiveness. Victron Energy does not recommend the use of any of its products in direct patient care. Victron Energy will not knowingly sell its products for use in such applications unless it receives in writing assurances satisfactory to Victron Energy that the risks of injury or damage have been minimized, the customer assumes all such risks, and the Liability of Victron Energy is adequately protected under the circumstances.

As a product requires service, it must be brought back to the place of purchase. In case no contact can be taken with the merchant, or if he is either unable or not allowed to provide service, direct contact should be taken with Victron Energy.

Warranty on Repairs The warranty period on products or on printed circuits boards repaired by Victron Energy as well as on printed circuit boards for replacement is 6 months from delivery by Victron Energy.

Transport It is the responsibility of the sender to sufficiently package these products. The transport must be organized in a way to avoid any damage, especially when a single unit or heavy unit is sent.

Severability If a part of the terms and conditions set out above is held invalid, void or unenforceable due to any particular national or international legislation, it shall not affect other parts of the terms and conditions remaining.

For Australia only Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure.

Exotronic provides high-quality products and solutions tailored for B2B and commercial customers, including commercial businesses, caravan manufacturers, marine electricians, OEMs, as well as emergency services, and more.

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