Description
The Wheelock TB-593 is a 6-inch motor-driven telephone bell that rings directly from any standard RJ-11 telephone line — no AC power required. It delivers up to 95+ dB ring output, making it ideal for noisy environments like factories, warehouses, and wide-area office coverage where standard telephone rings go unheard. The aluminum housing is paired with an included weatherproof backbox for reliable indoor or outdoor installation. UL listed; REN 1.6A.
Key Features
- Up to 95+ dB ring for high-noise environments and wide-area coverage
- Rings directly from any standard RJ-11 telephone line — no AC power required
- 6-inch motor-driven aluminum bell housing
- Includes weatherproof backbox for indoor or outdoor mounting
- Tamper-resistant volume control
- Screw terminal connections and RJ-11 plug for flexible wiring
- Integral RFI suppression
- UL Listed; REN 1.6A
Specifications
| Model | TB-593 |
| Bell Size | 6" diameter |
| Sound Output | Up to 95+ dB |
| Drive Type | Motor-driven |
| Connection | Standard RJ-11 telephone line |
| Power | Line-powered; no AC power required |
| Ringer Equivalence Number | 1.6A (REN) |
| Housing | Aluminum |
| Environment | Indoor or outdoor (with included weatherproof backbox) |
| Dimensions | 6.062" diameter × 4.21" depth |
| Volume Control | Tamper-resistant |
| Certifications | UL Listed |



