6A 4 Pole 10kA MCB B Curve – WKC406B
The WKC406B is a 6A 4 pole 10kA Miniature Circuit Breaker (MCB) designed for three-phase + neutral circuits. With a B Curve trip characteristic,...
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Shop circuit protection devices for domestic, commercial and specialist installations, including MCBs, RCDs, RCBOs and surge protection. Use the filters to narrow the range by device type, rating and application.
Device selection depends on the circuit design, load characteristics, prospective fault current, required residual-current response and the equipment manufacturer’s instructions.
Quick guide: MCBs provide overcurrent protection; RCDs respond to residual current; RCBOs combine both functions for individual circuits. RCD type, trip curve, current rating and breaking capacity must be selected for the installation.
The WKC406B is a 6A 4 pole 10kA Miniature Circuit Breaker (MCB) designed for three-phase + neutral circuits. With a B Curve trip characteristic,...
The WRT332B-030 is a 3-pole Type A RCBO providing combined residual current and overcurrent protection for three-phase circuits. Rated at 32A with a B...
The WME22/MS100 Main Switch Consumer Unit is the largest in the range — a 22-module metal enclosure with a 100A main switch incomer. With...
The WME10/MS100 Main Switch Consumer Unit is a 10-module metal enclosure supplied with a 100A main switch incomer. With 8 usable ways, it’s ideal...
The WME08/MS100 Main Switch Consumer Unit is an 8-module metal enclosure supplied with a 100A main switch incomer. It provides 6 usable ways, giving...
The WME04/MS100 Main Switch Consumer Unit is a compact 4-module metal enclosure supplied with a 100A main switch incomer. Designed for small domestic installs,...
The WMEPME08/SP-C32 is the 32A RCBO version of the metal PME fault detection consumer unit with surge protection. It is listed for EV charging...
The WAR240-030 is a 2 pole 40A 30mA Type A High Immunity RCD designed for reliable residual current protection in single-phase installations where stable...
The WER63C-030 is a 60A C Curve High Immunity Type A RCBO designed for EV chargers, motors, heat pumps, and commercial inverter-fed systems. It...
The WCED WRT110B-030 is a 10A B Curve Type A RCBO with 30mA residual current sensitivity and a 10kA breaking capacity. It combines overload,...
The WER20C-030 is a 20A C Curve High Immunity Type A RCBO designed for EV chargers, motors, heat pumps, and inverter-fed systems. It provides...
The WCED WRT140C-030 is a 40A C Curve Type A RCBO with 30mA residual current sensitivity and a 10kA breaking capacity. It combines overload,...
Start with the circuit design and connected equipment—not a device label in isolation. The protective device must suit the load, conductor capacity, earthing arrangement, prospective fault current and any residual-current characteristics identified by the equipment manufacturer. Installation and verification should be completed by a competent electrical professional to the applicable edition of BS 7671.
Miniature circuit breakers provide protection against overload and short-circuit current. Select the current rating, trip curve and breaking capacity from the installation design and load characteristics.
Residual current devices disconnect when the monitored current imbalance reaches their operating threshold. The correct type and sensitivity depend on the application and expected residual-current waveform.
RCBOs combine overcurrent and residual-current protection in one device. Per-circuit protection can improve fault discrimination and limit disruption elsewhere in the installation.
Surge ProtectionHigh Immunity RCBOsType B RCDsArc Fault DetectionElectrical Enclosures
Trade support: UK-stocked products, manufacturer-backed specifications and fast dispatch. Check each product page for standards, ratings, stock status and delivery details before ordering.