232B, 420LB Series, 422B, 485B, TEL50B, TEL185B,
CLPS422B1800, CLPS222B1800, CLPS423B2510

Minimize downtime
Rapid replacement
Higher density, less space per line
Four lines, two loops per board
Better protection
Line to Line and Line to Ground circuits
Durable, long lasting
Rugged input circuit
Reliable, consistent protection
Rapid response output circuit