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This document describes a range of staircase time lag switches from Hager, specifically the EMN001 and EMN005 models. These devices are designed to control lighting in stairwells and other common areas, providing automatic light shut-off after a set period, thereby saving energy.
The EMN001 is a basic staircase time lag switch. Its primary function is to switch on a load (typically lights) when a push button is briefly pressed. After an adjustable time delay, the light will automatically switch off. This model offers a time delay setting that can be adjusted from 30 seconds to 10 minutes. It also includes a manual override feature, allowing users to keep the light on or off as needed, independent of the automatic timer. This simplicity makes it suitable for straightforward applications where a basic timed lighting function is required.
The EMN005 is a more advanced, multi-function staircase time lag switch, offering a choice of four distinct operating modes to cater to a wider range of needs and preferences.
Similar to the EMN001, in Basic Mode, a brief press of a push button switches on the light. After an adjustable time "T," the light will automatically switch off. This mode provides the fundamental timed lighting control.
This mode enhances safety and convenience by providing a visual alert before the lights turn off. When the lighting period is nearing its end, the lights will blink (a signal) to pre-warn occupants. This gives users a chance to react, either by pressing the button again to extend the lighting period or by safely exiting the area before darkness. The diagram illustrates a typical sequence where the light stays on for time "T," followed by a pre-warning blink (e.g., at 10 seconds and 30 seconds before shut-off), before finally turning off.
The Double Delay Mode offers two distinct time delays based on the duration of the push button press. A brief press of the push button will switch on the light, which will then automatically switch off after an adjustable time "T." However, if the push button is pressed for more than 3 seconds, a longer time lag of one hour will be initiated. This feature is particularly useful for situations where a longer lighting period is occasionally needed, such as during cleaning or maintenance, without requiring constant re-triggering of the timer. The diagram shows the light staying on for time "T" for a brief press, and for 1 hour for a long press (>3 seconds).
This mode combines the features of both Double Delay and Pre-warning modes, offering the most comprehensive functionality. A brief press of the push button switches on the light, which then switches off automatically after an adjustable time "T." If the push button is pressed for more than 3 seconds, a time lag of one hour will start. In both scenarios, a signal (blink) appears before the end of the lighting period, providing a pre-warning before the lights turn off. This mode maximizes both convenience and safety, allowing for flexible lighting durations with an added alert system. The diagram illustrates the light staying on for time "T" or 1 hour, with pre-warning blinks (e.g., at 10 seconds and 30 seconds before shut-off) in both cases.
Both EMN001 and EMN005 models are designed for ease of use and installation in electrical distribution boards. The time delay settings are adjustable, providing flexibility for different environments and user preferences. The EMN005's multi-functionality allows installers to select the most appropriate operating mode during setup, adapting the device to specific building requirements. The manual override feature in the EMN001 and the automatic/override ON local command in the EMN005 ensure that users can always control the lighting manually when needed, bypassing the automatic timer. The retrigger function in the EMN005 allows the timer to be reset or extended by simply pressing the push button again during an active lighting period.
These staircase time lag switches are designed to be reliable and contribute to energy efficiency by ensuring lights are not left on unnecessarily. Their various functions cater to different levels of sophistication required for timed lighting control in residential, commercial, and public buildings.
General| Type | Miniature Circuit Breaker (MCB) |
|---|---|
| Communication Protocol | Not applicable |
| Breaking Capacity | 6 kA |
| Mounting | DIN rail |
| Voltage Rating | 230 V AC |
| Tripping characteristic | C |
| Standards | IEC 60898-1 |
