RCDs in Domestic Consumer Units
How split-load and RCBO-per-way consumer units differ, why 30 mA is the domestic sensitivity default, and how TT earthing changes the RCD requirement in a home.
9 min read
Technical
Application guides
Guides and notes on industrial electrical and automation parts: selection, wiring, settings and ordering.
- Articles
- 29
MCCB in Data Center Power Distribution
A practical guide to sizing, coordinating, and metering MCCBs across data center A/B power paths for full selectivity and DCIM/BMS visibility.
10 min read
Soft Starter for Pumps: Sizing and Settings
How to size current limit, ramp time, and soft-stop settings for a soft starter on a centrifugal pump, and when a VFD is the better fit instead.
10 min read
MCCB for Motor Feeder Protection
How to choose and coordinate an MCCB versus a dedicated MPCB for motor feeder protection under IEC 60947-4-1 Type 1 and Type 2 coordination.
12 min read
MCCB in Main LV Distribution Boards
How MCCBs function as incomer and outgoing feeder breakers in main LV distribution boards, from ACB coordination and sub-board selectivity to busbar bracing and frame selection.
10 min read
Parts list
Sourcing a full parts list?
Paste your part numbers and quantities. We reply with price, stock and lead time per line.