What the product is

Hager ADA306G is a 1P electronic RCBO designed for final circuits that need both overcurrent protection and 30mA residual current protection in one device. For this exact SKU, Hager verifies a rated current of 6A, a B curve trip characteristic, Type A residual current detection, a 6kA short-circuit breaking capacity and a one-module format for DIN rail installation. Rated operational voltage is 230 V, rated insulation voltage is 250 V and rated impulse withstand voltage is 4 kV.

ADA306G sits in Hager's ADA RCBO family and is the 6A variant within that range. That matters because the protective rating is the main buying distinction for board builders, replacement work and specification. A 6A RCBO is selected where the design current of the circuit calls for a lower overcurrent rating than other variants in the same family. Choosing the exact current rating is critical, so the product page and datasheet evidence for ADA306G has to line up with the board schedule and intended circuit design.

Verified key features or specifications

• Rated current: 6 A
• Rated residual operating current: 30 mA
• Residual current type: Type A
• Trip curve: B
• Rated short-circuit breaking capacity: 6 kA
• Type of pole: 1P
• Number of modules: 1
• Top connection: screw terminal
• Bottom connection: screw terminal
• Flexible conductor capacity: 1 to 10 mm²
• Rigid conductor capacity: 1 to 16 mm²
• Suitable for DIN rail: yes
• Dimensions: 92 x 17.7 x 70 mm
• Operating temperature: -20 to 70 °C
• Storage and transport temperature: -25 to 80 °C

Why the ADA306G variant matters

Hager ADA306G is not a generic RCBO description with a current rating added at the end. The 6A rating is the reason to choose this exact variant instead of another device in the ADA family. For lighting circuits, alarm-related circuits and other low-load final circuits where a 6A protective device is specified, using the correct RCBO avoids overrating the outgoing way. The B curve characteristic also matters because it defines how the device responds to overcurrent conditions and needs to match the circuit design rather than being treated as a background specification.

Type A residual current protection is another important part of the buying decision. Hager identifies ADA306G as Type A, meaning it is intended to detect AC and pulsating DC residual currents. That is a meaningful distinction when the circuit includes equipment that can introduce that residual current profile. Buyers comparing older or more basic devices often need to know whether they are looking at Type AC or Type A protection. ADA306G is the Type A option, and that should be explicit in the page copy because it is one of the main reasons this variant exists.

Technical standards and ratings

Hager's reduced-height RCBO documentation identifies the ADA range to BS EN 61009-1 and BS IEC 1009-2-2. Hager also states that the range allows compliance with BS 7671 provisions covering 30mA additional protection, circuit segregation to minimise inconvenience in the event of a fault and protection of wiring concealed in walls or partitions when installed in a consumer unit. For specifiers and electricians, that context is useful because it explains the role of the product in a board layout rather than leaving the RCBO as an isolated component on the page.

Power loss under In is listed as 1.72 W, frequency is 50 Hz and the class of energy limitation is 3. Those details will not drive every purchase, but they are relevant to technical comparison, panel planning and product validation. Hager also verifies that ADA306G is suitable for DIN rail mounting, which keeps the installation context clear and avoids any ambiguity about where the device belongs.

Installation, fit and compatibility

ADA306G is built for modular board installation. One-module width is particularly useful where space on the DIN rail is limited or where the designer wants to maximise the number of protected outgoing ways in a given enclosure. Top and bottom screw terminals provide a familiar termination arrangement, while the verified conductor capacity of 1 to 10 mm² flexible and 1 to 16 mm² rigid conductors gives the installer the practical termination range they need when planning the outgoing circuit connection.

Hager lists MZN175 as an optional accessory on the product page, described as a padlockable locking kit for MCB, RCCB and RCBO applications. Hager's residential distribution catalogue also places RCBOs like ADA306G in the context of consumer unit configurations and references the VA10MT cable clamp accessory for VML consumer units on TT systems. That makes ADA306G easier to place within the wider Hager distribution ecosystem rather than treating it as a standalone part with no board context.

Who this exact variant suits

Hager ADA306G suits installers and buyers who need a 6A Type A RCBO for a DIN rail consumer unit or distribution board and do not want to substitute a different current rating or residual current type. It is particularly relevant for final circuits where 30mA additional protection is required and where individual RCBO protection is preferred instead of sharing protection across multiple outgoing circuits. In practical buying terms, that makes it a sensible fit for domestic boards, light commercial boards and maintenance work where the protective rating and device format both have to match the original design intent.

For replacement work, ADA306G also makes sense where the job requires the same Hager family and the same 6A B curve Type A specification already scheduled on the board. For new work, the one-module footprint helps support compact layouts without giving up individual way protection. The product is straightforward to specify because the core facts are clear and variant-specific.

Why buy this exact variant

Choose Hager ADA306G when the board schedule calls for a 6A B curve RCBO with 30mA Type A residual protection in a one-module DIN rail format. The value in this exact SKU is not marketing language. It is the verified combination of current rating, residual current type, breaking capacity, modular width, conductor capacity and Hager compatibility context. That gives the buyer a clearly defined protective device for exact-match replacement, accurate specification and disciplined board assembly.

Warranty

Hager lists switchgear in its UK product warranty policy with a 2-year warranty period. ADA306G is also shown with a 2-year warranty in Hager's RCBO range literature, so the warranty field can be completed without guesswork.

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