Techna-Jtec-10kA-MCB-Lock-On-Off-Adaptor-Yellow-Techna-JTECLP1YELLOW-p-Lock-off-adaptors-allow-Jtec-MCBs-to-be-padlocked-in-either-the-on-or-off-position-They-will-enable-maintenance-engineers-to-ensure-the-circuit-cannot-be-energised-while-they-are-working-on-the-system-br-br-BR-Lock-on-ensures-critical-circuits-cannot-be-turned-off-by-accident-In-the-event-of-an-electrical-fault-on-the-system-the-MCB-will-still-trip-off-even-though-a-lock-on-adaptor-is-fitted-BR-p-Techna-JTECLP1