Hammond BD2FF 20VA Class 2 Box Mount Transformer, 120V to 18V
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Create Free Business AccountKey Features
- 20 VA Class 2 energy limiting transformer, 120 V to 18 V
- Secondary rated 18 V RMS at 1.11 A RMS
- Inherently limited: no fuses or circuit breakers required
- Nipple locknut box mount, supplied with locknut and mounting bracket
- Stripped wire primary leads; screw terminal / quick fit tab secondary
- UL listed #E184371 and CSA certified 209651
- Rugged, low noise, cool running design for indoor use; 60 Hz
- REACH and RoHS compliant
The Hammond BD2FF is a Class 2 energy limiting transformer from the BA-C-D-E small box mount series, rated 20 VA with a 120 V primary and a 18 V, 1.11 A secondary. It is used by electricians, HVAC and security installers and OEMs in chimes, door bells, security systems, decorative lighting, furnaces, humidifiers, appliances, vending machines and intercom type applications.
The BD2FF provides 18 V at 1.11 A from 120 V in a 20 VA rating, for applications that specify an 18 V AC secondary.
The design is rugged, low noise and cool running, for indoor use only. It is 60 Hz and inherently limited, so no fuses or circuit breakers are required. Input (primary) connections are stripped wire leads, and the output (secondary) is a screw terminal / quick fit tab terminal. Input leads are black.
Installation is by nipple locknut mount into a box, and the transformer comes complete with locknut and mounting bracket. Overall dimensions are A 2.33 in (59 mm), B 2.34 in (59 mm) and C 1.98 in (50 mm), and the shipping weight is 1.16 lbs (0.53 kg).
The BD2FF is UL listed (#E184371) and CSA certified (209651), and is built to a 105 degree temperature design. It is also REACH and RoHS compliant.
Ideal For
- Door bells and chimes
- Security and intercom systems
- Furnace and humidifier controls
- Decorative lighting
- Appliances and vending machines
Overview
| Series | BA-C-D-E Series Class 2 Energy Limiting Small Box Mount |
| Description | Transformer, Class 2 energy limiting, box mount, 20VA, 120V input, 18V output |
| Short Description | CLASS 2 TX 20VA 120V |
Dimensions
| Overall Dimension A | 2.33 in (59 mm) |
| Overall Dimension B | 2.34 in (59 mm) |
| Overall Dimension C | 1.98 in (50 mm) |
Electrical
| Frequency | 60 Hz |
| Power Rating | 20 VA |
| Temperature Design | 105 degree temperature design |
| Primary Lead Colour | Black |
| Overcurrent Protection | Inherently limited - no fuses or circuit breakers |
| Primary (Input) Voltage | 120 VAC (RMS) |
| Secondary (Output) Current | 1.11 A (RMS) |
| Secondary (Output) Voltage | 18 VAC (RMS) |
Identifiers
| UPC | 623980056302 |
| UNSPSC | 39121301 |
| Part Number | BD2FF |
Packaging & Shipping
| Shipping Weight | 1.16 lbs (0.53 kg) |
Construction & Finish
| Design | Rugged, low noise, cool running |
| Included | Locknut and mounting bracket |
| Mounting | Nipple locknut mount for box installation |
| Primary Connection | Stripped wire input leads |
| Secondary Connection | Screw terminal / quick fit tab terminal |
Environmental & Protection
| Environment | Indoor use only |
Compliance & Certifications
| UL | UL listed #E184371 |
| CSA | CSA certified (209651) |
| Class | Class 2 energy limiting |
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
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Frequently Asked Questions
What are the input and output ratings of the BD2FF?▾
The BD2FF takes 120 V RMS at 60 Hz on the primary and supplies 18 V RMS at 1.11 A on the secondary, for a 20 VA rating.
Does the BD2FF need a fuse or circuit breaker?▾
No. It is a Class 2 energy limiting transformer that is inherently limited, so no fuses or circuit breakers are used.
How is the BD2FF mounted?▾
It uses a nipple locknut mount for box installation and comes complete with locknut and mounting bracket.
Is the BD2FF UL listed?▾
Yes, it is covered by UL listing #E184371 and is also CSA certified (209651).
What are the dimensions of the BD2FF?▾
Overall dimensions are A 2.33 in (59 mm), B 2.34 in (59 mm), C 1.98 in (50 mm); shipping weight is 1.16 lbs (0.53 kg).
Can the BD2FF be used outdoors?▾
No, the series is specified for indoor use only.
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