Part Number 8340-F420-P1K1-KLH042 Circuit Breaker Accessories in stock with ready to ship. Get an instant quote for E T A Circuit part number 8340-F420-P1K1-KLH042 by filling form below with your desired order quantity, targeted price and the expected order-fulfilment date. Get instant quote for 8340-F420-P1K1-KLH042. Our dedicated account manager will get back to you within 15 minutes.