Lathem LTR-512 - Manual (Page 32)

LTRx-512 Installer’s Guide
Wiring Diagrams
28
TYPE 04 - STANDARD ELECTRIC TIME AR-2A TWO WIRE DUAL VOLTAGE
All circuits should be fused or protected by a circuit breaker (10Amp maximum)
TYPE 05 -
THREE WIRE MINUTE IMPULSE (58 TH MIN.)
All circuits should be fused or protected by a circuit breaker (10Amp maximum)