Universal E203 circuit breaker interlock, single pole, ABS, red. Supplied = assembled. Product type = lockout/tagout products. Material = ABS. Colour = red. High quality materials: durable, hardwearing, non-conductive. Easy to use with screw mechanism for secure fastening (no tools required) Suitable for universal use on standard circuit breakers. The universal interlock for single and multi pole circuit breakers: simply attach and screw tight using the handwheel - no additional tools required. The E203 lockout can be secured vertically and horizontally using the multifunctional eyelet. This enables locking in series with several circuit breaker fuses in combination with a cable lock.