3312x -

Once the base is wired and mounted, the detector (such as the 4301 photoelectric smoke detector or 4300 multi-detector ) is plugged into the base. Other Technical References

4402 - analog multi detector with co - Panasonic Fire & Security Once the base is wired and mounted, the

3312X is a Nickel-Chromium steel used for wear resistance. Preparation involves normalizing, heating to 1450°F , furnace cooling, then reheating to 1170°F followed by air cooling. heating to 1450°F