| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
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4 pcs
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4 pcs | On Request | 1 | On Request | On Request | 2026-02-25 06:16:38 | On Request | On Request |
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The Mallory Sonalert Products SC648ADJ is a panel-mount piezo buzzer with a 42.98mm diameter. It operates on a wide voltage range of 10 to 48 VAC/DC and consumes 4-20mA of current.
This buzzer features a slow pulse mode of operation at 0.5 - 2.5 PPS with a frequency of 2000 ± 500 Hz. The sound pressure level (SPL) ranges from 60 dB(A) at 10 Vdc to 75 dB(A) at 48 Vdc, measured at 2 feet. The operating temperature range is -30°C to 65°C.
Constructed with a 6/6 Nylon housing in black, the SC648ADJ is suitable for various industrial and commercial applications requiring audible alerts. It is internally driven and features screw terminal or quick connect tab termination for easy installation.
Key specifications include a 50% duty cycle and a typical weight of 45g. The recommended panel hole size is 1.25 inches (31.75mm), with the front thread fitting a standard 30mm hole.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The SC648ADJ operates from 10 to 48 VAC/DC.
Typical loudness is 60 dB(A) at 10 Vdc and 75 dB(A) at 48 Vdc, measured at 2 feet.
The operating frequency is 2000 ± 500 Hz.
It uses an internally driven indicator driver circuitry.
It is designed for panel mounting.
The operating temperature range is -30°C to 65°C.
Termination options include screw terminal and quick connect tab (0.250" / 6.35mm).