Part Number: 1452BP (Ic) Part Number: 1452C (Keystone electronics) Part Number: 1452C1-4 (Fuse) Part Number: 1452D (Keystone electronics) Part Number: 145-2D-A507S (Switch) Part Number: 1452DE11 (Call for availability and pricin) Part Number: 1452E (No description) Part Number: 1452E-6504 (9365 ea stock) Part Number: 1452E-65049365EA (9365 ea stock) Part Number: 1452E-6534 (12365 ea stock) Part Number: 1452E-653412365EA (12365 ea stock) Part Number: 1452E-6543 (11365 ea stock) Part Number: 1452E-654311365EA (11365 ea stock) Part Number: 1452E-8503 (15465 ea stock)