SS Series
TR Series B
| Changes | Obsolete SS Series | NEW TR Series B | Benefits |
| Selecting 1 of 16 Built-in Time Ranges (Time Ranger Programmable units only) | 4 DIP switches- Set Pattern per Chart on the Side of the Unit |
16 Position Rotary Switch-Rotate Switch per Chart on the Top of Unit (chart for Dual-Knob units is on the side of the product) | Easier to Choose a Time Range-Set Rotary Switch Position Instead of Setting a Pattern with 4 DIP Switches |
| Case/Markings Color | Black Case with White Ink | White Case with Black Ink | Dark Ink on Light Background is Easier to Read and Covers More Consistently |
| Increased Contact Ratings | 1/3HP @ 240VAC | B300 / R300 1/2HP @ 240VAC; 1/3HP @ 120VAC |
Covers a Wider Range of Applications |
| Agency Approvals | with appropriate socket ![]() |
CE Mark Allows Export to Europe UL Listed with Socket eliminates possible confusion on plug-in product Listing Meets New Standard for Lead-Free & Cadmium-Free Construction |