Alarm Controls No Touch Wave-to-Open Sensor NTB-3, Battery Operated, UL Certified
Trouble starts. You know first.
The Alarm Controls by ASSA ABLOY NTB-3 is a battery-operated no-touch "Wave to Open" sensor. It is intended for access control installers, locksmiths and facility managers who need a dependable door-control device for new installations or replacements.Key FeaturesBattery...

Request-to-Exit Sensor
The Alarm Controls by ASSA ABLOY NTB-3 is a battery-operated no-touch "Wave to Open" sensor. It is intended for access control installers, locksmiths and facility managers who need a dependable door-control device for new installations or replacements.Key FeaturesBattery or DC powered (optional)Low battery LED status indicatorWired communicationStainless steel with vandal resistant face plateSensor detection range...

Everything you need to know.
| Brand | Alarm Controls by ASSA ABLOY |
| Model | Wave-to-Open |
| Product type | Request-to-Exit Sensor |
Alarm Controls No Touch Wave-to-Open Sensor NTB-3, Battery Operated, UL Certified
The Alarm Controls by ASSA ABLOY NTB-3 is a battery-operated no-touch "Wave to Open" sensor. It is intended for access control installers, locksmiths and facility managers who need a dependable door-control device for new installations or replacements.
Key Features
- Battery or DC powered (optional)
- Low battery LED status indicator
- Wired communication
- Stainless steel with vandal resistant face plate
- Sensor detection range up to 4" for applications that require precise activation
- Built in obstruction detection
- Field-configurable bi-color (red/green) LED status indicators
- Selectable time delay 1 to 10 seconds
- Field-configurable on/off audible tones configurable via jumper
- Plate screened "Wave To Open"
Specifications
- Brand: Alarm Controls by ASSA ABLOY
- Model: NTB-3
- Product Series: NTB
- Product Type: Touch-free Button
- Gang Type: Single Gang
- Material: Stainless Steel
- Maximum Proximity Range: 4"
- Maximum Timer Duration: 10 Second
- Maximum Timer Duration (Second): 10
- Minimum Timer Duration: 1 Second
- Minimum Timer Duration (Second): 1
- Maximum Operating Temperature: 131°F (55°C)
- Maximum Operating Temperature (°F): 131
- Minimum Operating Temperature: -13°F (-25°C)
- Minimum Operating Temperature (°F): -13
- Application/Usage: Door
- Color: Silver
- Input Voltage: 30V DC
- Input Voltage (V DC): 30
- Print/Message: Wave To Open
- Package Contents: NTB-3 Touch-free Button 2 x AA alkaline batteries
- Shipping weight: 1 lb
Typical Uses
- Request-to-exit and door release on access-controlled doors
- Offices, schools, healthcare and other commercial buildings
Door hardware and access control devices must be installed in line with local building, fire and life-safety codes and the manufacturer's instructions. Please confirm that the NTB-3 matches your door, power supply, wiring and access control system before ordering. Contact us with the models of your existing equipment if you need help checking compatibility.
Need help with compatibility?
Looking for a manufacturer part number, compatible replacement, or quantity order? Contact Raztechs for sourcing and quote support.

Alarm Controls by ASSA ABLOY Wave-to-Open, ready to order.
- Brand: Alarm Controls by ASSA ABLOY
- Model: Wave-to-Open
- Type: Request-to-Exit Sensor
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