TOA Electronics SC‑630TU Paging Horn Speaker – 30W, UL/ULC Fire‑Signaling Certified, 25V/70V, Weather‑Resistant IP65

Paging Horn Speaker – SC-630TU

The TOA SC‑630TU is a rugged, high‑intelligibility paging horn speaker engineered for public address, voice evacuation, and tone‑signaling applications. With its powder‑coated aluminum flare, ABS housing, and stainless‑steel hardware, it is fully weather‑resistant and built for long‑term outdoor reliability. The SC‑630TU is UL 1480 UUMW and ULC‑S541 certified, making it suitable for fire alarm and emergency signaling systems.

Featuring a double re‑entrant horn and compression driver design, the SC‑630TU delivers powerful sound output and controlled dispersion, ensuring clear, intelligible announcements over long distances. A built‑in impedance selector allows easy configuration for 25 V and 70 V distributed audio systems.

Key Features

• Fire‑Alarm Certified: Listed to UL 1480 UUMW and ULC‑S541 for mass notification and emergency signaling applications.
• High Intelligibility: Double re‑entrant horn with compression driver for clear paging and tone signaling.
• Weather‑Resistant: IP65‑rated enclosure withstands dust, moisture, and harsh outdoor conditions.
• Talk‑Back Capability: Usable as a microphone for intercom communication in talk‑back systems.
• Flexible Integration: Built‑in rotary impedance selector supports 25 V and 70 V systems.
• Extreme Temperature Operation: Reliable from −40 °F to 151 °F (−40 °C to +66 °C).
• Durable Construction: Heat‑resistant polyimide diaphragm and non‑flammable transformer case.

Specifications

Electrical

• Rated Input: 30 W
• Rated Impedance:
  • 70 V Line: 170 Ω (30 W), 330 Ω (15 W), 650 Ω (7.5 W)
  • 25 V Line: 21 Ω (30 W), 42 Ω (15 W), 170 Ω (3.9 W), 330 Ω (2.1 W), 650 Ω (1.1 W)

Acoustic Performance

• Sound Pressure Level: 113 dB (1 W, 1 m at 500 Hz–2.5 kHz peak)
• Frequency Response: 250 Hz – 10 kHz

Connections

• Polarity: Hot = Black & Red, Common = White & Green
• Speaker Cable: 4‑core FPL‑listed cable, 4.8 mm diameter, 600 mm (1.97 ft) length

Environmental

• Operating Temperature: −40 °C to +66 °C (−40 °F to 151 °F)
• Dust/Water Protection: IP65

Construction

• Horn Flare: Aluminum, white (RAL 9010), powder coated
• Reflector Horn: ABS resin, white (RAL 9010)
• Rear Cover: ABS resin, gray (RAL 7031)
• Bracket, Screws & Bolts: Stainless steel

Dimensions & Weight

• Dimensions: 285 (W) × 227 (H) × 277 (D) mm (11.22" × 8.94" × 10.91")
• Weight: 2 kg (4.41 lb)

Optional Accessories

• YS‑151S Swivel Bracket: May replace the supplied bracket for enhanced mounting flexibility.