Audible Alarm Horn
EHS
The EHS Audible Alarm Horn delivers one of the loudest outputs in the industry, reaching up to 110 dB at 1 meter. It features two selectable tone modes—“Signal Mode” for clear alerts in noisy environments and “Information Mode” for less harsh notifications. Designed with strong vibration resistance, a 3-level attenuation function, and models supporting both terminal block and cabtyre cable connections. The M1 version supports both NPN and PNP open-collector outputs for flexible control.
- I/O Control
- Audible Alarm
- Tones
- Melody
- 110dB
- Indoor
- Outdoor
- IP65
Product Features
Product Features
- 30% smaller footprint compared to the EWH series for space-saving installation.
- Improved vibration resistance, tolerates up to 4.5G.
- Delivers high output sound pressure up to 110 dB at 1 meter, despite its compact size.
- Available with either pre-wired cable or screw terminal connection.
- Supports PNP and NPN transistor-based input signals.
- Compliant with the European RoHS Directive.
- Rated IP65 for dust and water resistance.
- Supports SD card for in-field melody customization.
- CE marking applies to DC-powered models.
Movie
Specifications
Rated Voltage | 12–24 V DC 100–240 V AC |
---|---|
Audible Style | Pre-recorded alarms and melodies |
Mounting | Bracket mount (included) |
Body Color | Off-white |
Volume | Up to 95 dB at 1 meter Adjustable from mute to max |
Sound Storage | 32 sounds pre-installed (refer to specifications for details) |
Channel Selection | - Bit Mode: 8 selectable channels via input signal - Binary Mode: 32 selectable channels via input signal |
Conformity Standards | - UL 464 - CSA C22.2 No. 205-M1983 - FCC Part 15 Subpart B Class A - CE (DC models) - RoHS compliant |
Protection Rating | IP65 |
Remarks | - Sound volume control - 32 built-in tones - Choice of cable or terminal connection - Compatible with PNP/NPN input |
Functions | 4.5G vibration resistance |
Sample (Sound / Audio)
Model Number Configuration
Model Code

Please refer to the Alarm Sound Selection Chart in the General Catalog for details.
Product List
Model Number | Rated Voltage | Wiring Method | Alarm Type |
---|---|---|---|
EHS-M1H □ | 12 - 24 V DC | Cable | A / C / D / E |
EHS-M1T □ | 12 - 24 V DC | Terminal Block | A / C / D / E |
EHS-M2H □ | 100 V - 240 V AC | Cable | A / C / D / E |
EHS-M2T □ | 100 V - 240 V AC | Terminal Block | A / C / D / E |
EHS-M3H □ | 12 - 48 V DC | Cable | A / C / D / E |
WEB Catalog
Instruction Manual/Specifications/Outside Drawing
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File Downloads
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Instruction manual
2D CAD / 3D CAD
Product Specifications
repair parts
EHS
EHS
Replacement Parts
Category | No. | Part Name | Part Number | Required Qty | Specification | Approximate time of replacement |
---|---|---|---|---|---|---|
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V13100076-F1 | 1 | ||||
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V21100522-F1 | 1 |
With pan head machine screw 4×14 with flat spring washer. |
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