产品特点 FEATURES

1 Sound category: Single Chime

2 Mode of operation: Single chime for 3 seconds

3 Voltage rating: 16 to 28 VDC

4 Frequency: 2900±500 Hz

5 Loudness at 2FT: 85 to 95 dBA (Typ.), 40 dBA (MAX Typ.)

6 Current draw: 40 mA MAX

7 Housing material: 6/6 Nylon, color black

8 Storage & operating temperature range: -40°C to +85°C

9 Panel mounting: Recommended hole size is 1.25 inches (31.75mm), fits standard 30mm (1.181") hole; max torque for knurled nut is 10 in-lbs

10 Weight: 1.8 oz (45g)

11 Certifications: cUL recognized, ROHS compliant, NEEMA 3R(4X)&12 approved for use of ACC03

12 Housing: Molded black nylon

13 Terminal design: Parallel to locking flats with 0.250±0.005 inches spacing

14 Dimensions: Conforms to standard panel mounting requirements

使用场景 APPLICATIONS

1 Industrial machinery: As an audible status indicator for cycle completion, error alerts or safety warnings

2 Control panel systems: Integrated into equipment control panels to notify operators of operational changes

3 Commercial appliances: Used in printers, vending machines or HVAC systems to signal status updates

4 Harsh environment applications: Suitable for outdoor or weather-exposed devices (NEEMA 3R approval) like agricultural machinery or outdoor power units

5 Safety systems: Applied in access control or emergency stop systems for audible confirmation

6 Automotive/marine devices: Can be used in vehicle or marine systems for status alerts such as door open reminders

注意事项 PRECAUTIONS

1 Installation: Follow recommended panel hole size (1.25 inches/31.75mm) and do not exceed max torque of 10 in-lbs when tightening the knurled nut

2 Operating conditions: Ensure use within voltage range (16-28 VDC) and temperature range (-40°C to +85°C)

3 Electrical safety: Avoid exceeding maximum current draw of 40mA

4 Storage: Keep in dry environment within specified temperature range when not in use

5 Certification compliance: Only use in applications meeting cUL, ROHS and NEEMA standards

6 Retrofit check: Verify existing panel cutouts match recommended hole size before installation

SCE028LD3CM2S-PDF数据手册-参考资料