The LT4H-W is a DIN 48 size digital timer with features such as wide time range, bright and easy-to-read display, simple operation, short body, IP66 weather resistant standards, changeable panel cover, compliance with EMC and low voltage directives, and good performance at an affordable price.
This manual describes the features of the Panasonic LT4H-W digital timer, including its wide time range (0.01 s to 9999 h), bright 2‑color LCD display, and compact body dimensions. It covers the two terminal options (8‑pin, 11‑pin, screw‑down and pin types) and the IP66 weather‑resistant construction.
Detailed sections explain how to set the operation mode and timer range using DIP switches, wiring diagrams for relay and transistor outputs, and extensive safety and usage cautions. Technical specifications such as power consumption, operating voltage, control capacity, and environmental limits are also listed.
| Time range | 0.01 s to 9999 h |
|---|---|
| Display type | 2‑color back‑light LCD |
| Power consumption | Max 10 VA / Max 3 W |
| Operating voltage | 100‑240 V AC, 24 V AC |
| Control capacity (resistive) | 5 A, 250 V AC |
| IP rating | IP66 |
| Ambient temperature range | -10 °C to 55 °C |
| Maximum ambient humidity | 85 % RH |
The timer is offered in 8‑pin, 11‑pin, screw‑down terminal, and pin‑type configurations.
The unit has an IP66 rating, providing protection against water and dust.
The device consumes a maximum of 10 VA (or 3 W).