IP65 EV Connection Unit with SPD – 40A C Curve
18th Ed. Compliant
2-Year Warranty
UK Stock
Free Delivery £30+
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The WPEVCU40CSP is an IP65 EV connection unit equipped with a 40A C Curve MCB, 100A isolator, and integrated Type 2 Surge Protection Device (SPD). It provides overload protection, surge defence, and full isolation in one compact weatherproof enclosure, ensuring compliance with BS 7671:2018 (Amendment 2). Designed for EV charger...
The WPEVCU40CSP is an IP65 EV connection unit equipped with a 40A C Curve MCB, 100A isolator, and integrated Type 2 Surge Protection Device (SPD). It provides overload protection, surge defence, and full isolation in one compact weatherproof enclosure, ensuring compliance with BS 7671:2018 (Amendment 2).
Designed for EV charger installs and solar PV circuits, the 40A C curve MCB is suited to chargers and equipment with higher inrush currents. This makes it a reliable choice for light commercial or high-output domestic charging points.
Installer Tip: Choose the 40A C Curve variant when fitting larger domestic or light commercial chargers with higher start-up currents. The C curve helps prevent nuisance tripping during inrush events.
Key Features
- 40A C Curve MCB – suited to higher inrush loads
- 100A isolator – ensures safe switching and isolation
- Type 2 SPD – guards against transient surges
- IP65 plastic case – weatherproof and tamper-resistant
- Pre-assembled – saves time on site
- Compliant with 18th Edition A2
- Dimensions: 212 × 205 × 95mm
Compare EV Connection Unit Variants
| Model | Rating | Curve | Protection |
|---|---|---|---|
| WPEVCU32BSP | 32A | B | MCB + SPD |
| WPEVCU40BSP | 40A | B | MCB + SPD |
| WPEVCU32CSP | 32A | C | MCB + SPD |
| WPEVCU40CSP (This Product) | 40A | C | MCB + SPD |
| WPEVCU63CSP | 63A | C | MCB + SPD |
What’s the benefit of a C curve breaker?
A C curve breaker tolerates higher inrush currents, making it suitable for chargers or equipment that cause short-duration surges at start-up.
Is surge protection built in?
Yes – a Type 2 SPD is pre-fitted to comply with the 18th Edition Amendment 2.
Is it safe for outdoor installs?
Yes – the IP65 enclosure is weatherproof and dust-tight, suitable for external mounting.
What other options are available?
We stock 32A B curve, 40A B curve, 32A C curve, and 63A C curve variants for different charger ratings and environments.
- Model: WPEVCU40CSP
- MCB: 40A, C Curve
- Main Switch: 100A isolator
- Surge Protection: Type 2 SPD
- Enclosure: IP65-rated plastic
- Dimensions: 212 × 205 × 95mm
- Mounting: Wall-mounted
- Standards: BS EN 61439, BS 7671:2018 A2
Delivered with isolator, MCB, and SPD pre-installed. Installation and testing must be completed by a qualified electrician.
- Seal glands properly to maintain IP65 rating
- Verify 40A C curve breaker suits the charger specification
- Ensure SPD earth connection is kept short
- Test both MCB and SPD before commissioning
