← Back to Blog

Hager RCBO Switchboard Upgrade Adelaide: Modern RCBO vs Old RCD (2026 Guide)


---

Modern switchboard upgrades use Hager RCBOs (not the old RCD method). Each circuit gets its own protection-no more nuisance tripping when one fault kills half your house.

If your switchboard still has ceramic fuses instead of switches, or it's older than 30 years, you're living with a fire risk every single day.

Old switchboards weren't designed for modern electrical loads-air conditioning, multiple TVs, computers, electric car chargers. They're overloaded, outdated, and in many cases, illegal for new work or home sales.

This guide covers when you need an RCBO switchboard upgrade in Adelaide, the difference between RCBOs and old RCDs, typical costs ($1,600-$2,800), and why the modern RCBO standard is worth the extra investment.

---

What Is a Switchboard Upgrade?

A switchboard (or "electrical panel") is the hub where your home's power comes in and gets distributed to different circuits-lights, power points, appliances, air conditioning.

An upgrade means:

- Hager RCBOs (Residual Current Breaker with Overcurrent protection) - the modern standard
- OR Circuit breakers + separate RCDs (older method - we don't recommend this)
- Surge protection (optional but recommended)
- Adequate capacity for your home's electrical load

What's the difference? See below for RCD vs RCBO explanation.

Not to be confused with:


---

RCDs vs RCBOs: What's the Difference?

This is where modern switchboard upgrades differ from older ones. Understanding the difference will help you choose the right upgrade.

RCD (Residual Current Device) - The Old Way

What it is: A safety switch that protects multiple circuits at once.

How it works:


Example: Your fridge, bedroom lights, and garage power are all on one RCD. If the garage power has a fault, everything trips-including your fridge (which now spoils your food).

Pros:


Cons:

Typical setup:

---

Hager RCBO (Residual Current Breaker with Overcurrent) - The Modern Standard

What it is: A combination device-RCD + circuit breaker in one unit per circuit. We use premium Hager RCBOs (German-engineered).

How it works:


Example: Your garage power has a fault. Only the garage circuit trips. Your fridge, lights, and everything else stays on.

Pros:


Cons:

Typical setup:

---

Which Should You Choose?

Amped Up Electrical recommends: Hager RCBOs (modern standard)

Why?
1. Convenience: Only the faulty circuit trips-not half your house
2. Diagnosis: Easy to see which circuit has the problem
3. Safety: Each circuit independently protected
4. Future-proof: Modern Australian standard (won't need upgrading again)

Cost difference:


Extra cost: $400-600

Is it worth it? Absolutely. Imagine your fridge circuit trips at 2am while you're on holiday. With RCDs, half your house is off (including security, lights, etc.). With Hager RCBOs, only the fridge circuit is off-everything else (security, lights) keeps working.

---

Hybrid Setup (Budget Option)

Some electricians offer a hybrid:


Cost: $1,400-$1,800

Our take: If you're upgrading anyway, spend the extra $300-400 and go full Hager RCBO. You'll thank yourself later.

---

Signs You Need a Switchboard Upgrade

🚨 1. You Have Ceramic Fuses (Not Switches)

If your switchboard looks like this:


You need an upgrade ASAP. These are 40-60+ years old and a major fire risk.

Why they're dangerous:


---

🚨 2. You Don't Have Safety Switches (RCDs)

Safety switches (RCDs) detect current leakage and shut off power in 0.03 seconds-fast enough to prevent electrocution.

Required by law in SA:


If your switchboard doesn't have safety switches, it's not compliant-and you're at risk.

---

🚨 3. Circuit Breakers Trip Frequently

If you're constantly resetting tripped breakers, it means:


Modern switchboards have more circuits to spread the load properly.

---

🚨 4. You're Adding Major Appliances

Planning to install:


Your old switchboard might not have the capacity. You'll need an upgrade to support the extra load.

---

🚨 5. You're Renovating or Extending

Building regulations require:


If you're doing major renovations, the electrician will likely tell you the old switchboard needs upgrading.

---

🚨 6. You're Selling Your House

Pre-purchase building inspections will flag:


Buyers will either:

Getting it done upfront avoids delays and price reductions.

---

🚨 7. Your Insurance Company Requires It

Some home insurers are now requiring switchboard upgrades for older homes (40+ years) as a condition of coverage.

If you have a fire caused by faulty switchboard and it wasn't compliant, your claim may be denied.

---

🚨 8. Lights Dim When Appliances Start

When you turn on the air con or washing machine, do your lights dim?

That's a sign your switchboard can't handle the load surge. Modern switchboards distribute power more effectively.

---

🚨 9. Burning Smell from Switchboard

THIS IS AN EMERGENCY. If you smell burning near your switchboard:
1. Turn off power at the main switch (if safe)
2. Call an emergency electrician immediately
3. Don't use electricity until it's checked

Burning smells = overheating connections = fire risk.

---

The Switchboard Upgrade Process

Here's what happens when you book a switchboard upgrade with Amped Up Electrical:

Step 1: Initial Assessment (Free)

We'll inspect your current switchboard and: Time required: 15-30 minutes

---

Step 2: Quote & Planning

We'll provide a written quote including: Typical quote: $1,200-$2,500 depending on complexity

---

Step 3: Schedule the Work

Time required: 3-6 hours (including testing)

What to expect:


---

Step 4: Installation

1. Power disconnection (by SA Power Networks or us if authorized) 2. Remove old switchboard (safely dispose of asbestos if present) 3. Install new switchboard 4. Label all circuits clearly 5. Install safety switches (RCDs) 6. Connect all circuits 7. Test everything (voltage, polarity, RCD function)

---

Step 5: Certification & Cleanup

---

How Much Does a Switchboard Upgrade Cost in Adelaide?

Typical costs (2026):

| Switchboard Type | Cost Range |
|----------------------|----------------|
| Basic upgrade with RCDs (8-12 circuits) | $1,200-$1,600 |
| RCBO upgrade (8-12 circuits) - RECOMMENDED | $1,600-$2,000 |
| Standard RCBO upgrade (12-18 circuits) | $1,800-$2,200 |
| Premium RCBO upgrade (18+ circuits, surge protection) | $2,200-$2,800 |
| Complex upgrade (asbestos removal, rewiring needed) | $2,500-$4,000 |

What affects the price:


---

Why Switchboard Upgrades Cost What They Cost

\"$2,000 for a box of switches? That's crazy!\"

Here's what you're actually paying for:

1. Materials ($600-$1,200)

Quality matters: Cheap switchboards fail within years. Premium brands (Hager, Clipsal) last 20-30 years. RCBOs cost more but: No nuisance tripping, easy fault diagnosis, modern standard.

---

2. Labour ($600-$1,200)

---

3. Compliance & Certification ($100-200)

---

4. SA Power Networks Fees ($50-150)

---

5. Asbestos Removal (if present) ($300-1,000)

Many old switchboards have asbestos backing boards. Legal removal requires: ---

Can I Just Add a Circuit Breaker Instead of Upgrading?

Short answer: Sometimes, but not recommended.

If your switchboard has:


Then yes, you can add a circuit breaker without a full upgrade ($150-250).

BUT if your switchboard is old (30+ years), adding one breaker is like putting a bandaid on a broken bone. The underlying issue (outdated, overloaded switchboard) remains.

Better approach: Upgrade now, avoid bigger problems later.

---

DIY Switchboard Upgrades: Why You Can't (and Shouldn't)

Is it legal to upgrade my own switchboard?

Absolutely not. In South Australia:


Why it's dangerous:

Even licensed electricians need:

Don't risk it. Hire a professional.

---

Switchboard Brands: What's the Difference?

Premium Brands (Recommended)

Cost: $150-300 for enclosure, $50-80 per breaker

Pros:


---

Budget Brands

Cost: $50-100 for enclosure, $15-30 per breaker

Pros:


Cons:

Our recommendation: Pay for Hager or Clipsal. The $300-500 difference is worth it for 20+ years of reliable service.

---

How Long Does a Switchboard Last?

Modern switchboards (Hager, Clipsal): 20-30 years
Budget switchboards: 10-15 years
Old ceramic fuse boards: Already past their lifespan (40-60 years old)

Signs a modern switchboard needs replacing:


---

Switchboard Upgrades for Specific Situations

1. Adding Solar Panels

Solar inverters need a dedicated circuit breaker. If your switchboard is full, you'll need: Cost: $1,500-2,500 (depending on approach)

---

2. Installing EV Charger

Most EV chargers need a 32amp dedicated circuit. Old switchboards don't have the capacity.

Solution: Upgrade to modern board with adequate capacity.

---

3. Heritage Homes

Older Adelaide homes (pre-1970) often have: Full upgrade cost: $2,500-4,000 (includes asbestos removal and compliance work)

---

4. Investment Properties

Landlords are legally required to ensure electrical safety. Old switchboards are a liability: Get it upgraded before renting out.

---

Frequently Asked Questions

Do I need to upgrade if my house is only 20 years old?

Probably not-unless you're adding major appliances (solar, EV charger, ducted air con) that exceed capacity.

Will my power be off all day?

Typically 3-6 hours. Plan ahead:

Can I upgrade in stages?

Not really-it's all-or-nothing. You can't have half an old switchboard and half a new one.

Do I need council approval?

No, but your electrician must notify SA Power Networks and provide a compliance certificate.

What if I'm renting?

Contact your landlord-they're responsible for electrical safety. They're legally required to fix unsafe switchboards.

Will it increase my property value?

Yes-modern switchboards are a selling point. Outdated ones are a red flag that turns buyers away.

What's the difference between RCDs and RCBOs?

RCDs protect multiple circuits (if one trips, everything on that RCD goes off). Hager RCBOs protect individual circuits (if one trips, only that circuit goes off). Hager RCBOs are the modern standard-more expensive upfront, but way more convenient and reliable.

Do I need Hager RCBOs or are RCDs enough?

RCDs meet minimum legal requirements. Hager RCBOs are the modern best-practice standard. We only install Hager RCBOs-the extra $400-600 is worth it for no nuisance tripping, easier fault diagnosis, and German-engineered reliability.

Can I upgrade to Hager RCBOs later?

Yes, but you'd be paying twice (once for the RCD switchboard, then again to swap RCDs for Hager RCBOs). Do it right the first time.

---

Why Choose Amped Up Electrical for Switchboard Upgrades?

Hager RCBOs as Standard

We install Hager RCBO switchboards as standard-not the old RCD method. Each circuit gets its own Hager RCBO protection. No nuisance tripping, easy fault diagnosis, German-engineered reliability, future-proof.

Premium Materials

We use Hager and Clipsal switchboards-not cheap imports. You get quality that lasts 20-30 years.

Experienced & Licensed

Transparent Pricing

Fast, Professional Service

12-Month Workmanship Warranty

If something goes wrong with our work, we'll fix it-no questions asked.

Compliance Included

---

Get a Free Switchboard Upgrade Quote

Serving Adelaide's inner suburbs:
Walkerville, Norwood, Prospect, Unley, Burnside, Magill, and surrounds

📞 Call/SMS: 0468 008 822
📧 Email: ampedupelectricaladl@gmail.com
🌐 Website: ampedupelectricaladelaide.com.au

Licence: PGE 305056 | Based in Walkerville, SA

---

Don't wait until your old switchboard causes a fire or fails a building inspection. Get it upgraded now.

---

Last updated: February 2026

Need a Licensed Electrician in Adelaide?

Fast, reliable electrical services for Norwood, Prospect, Unley, Burnside, Walkerville & surrounds

📞 Call 0468 008 822 Get Free Quote
📞 Call Now