Hammond 266N24 96VA 24V Center-Tapped Chassis Power Transformer
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Create Free Business AccountKey Features
- 96VA rating: 24V @ 4A in series (center tapped) or 12V @ 8A in parallel
- Dual primary for 117 VAC or 234 VAC, 50/60 Hz
- Dual secondaries usable center tapped, in parallel or individually
- Open style chassis mount, Mounting Style B
- Dual bobbin design - no electrostatic shield required
- Class B (130 °C) insulation; UL listed as a Class A (105 °C) design
- UL listed (# E207860) Type 3AH and CSA certified (209651); hi-pot 2,000V RMS
- Minimum 6" leads; RoHS and REACH compliant
The 266N24 is a 96VA open style power transformer for chassis mounting, rated 24V @ 4A with a center tap or 12V @ 8A when its secondaries are paralleled. The dual 117/234 VAC, 50/60 Hz primary lets the same part serve either line voltage.
It uses Mounting Style B, with 0.20 x 0.38 in (5 x 10 mm) mounting holes, and weighs 4.4 lbs (2 kg) per its drawing.
Each unit has a dual 117/234 VAC, 50/60 Hz primary (wired in parallel for 117V, in series for 234V) and dual secondaries that can be used as a center tapped secondary, connected in parallel, or used individually. The 266N24 is designed for use with all windings engaged. Primary leads are Blk, Wht, Brn and Orn; secondary leads are Red, Blu, Gry and Yel, all at least 6" long.
It uses Mounting Style B with mounting holes 0.20 in (5 mm) high by 0.38 in (10 mm) wide. Listed dimensions are A 2.81 in (71 mm), B 3.06 in (78 mm), C 3.38 in (86 mm), D 2.25 in (57 mm), E 2.50 in (64 mm). Unit weight is 4.4 lbs (2 kg), with a shipping weight of 4.2 lbs (1.91 kg).
Construction uses a dual bobbin design, so no electrostatic shield is required, and Class B insulation (130 °C), while the unit is UL listed as a Class A (105 °C) design. It is hi-pot tested at 2,000V RMS, UL listed (# E207860) Type 3AH, CSA certified (209651), and RoHS and REACH compliant.
Ideal For
- 24V center-tapped supplies
- 12V, 8A low voltage supplies
- 117V or 234V line-powered equipment
- Chassis-mounted power supplies in OEM equipment
Overview
| Series | 266 Series |
| Description | Power transformer, chassis mount, 96VA, 24V @ 4A or 12V @ 8A, 266 Series |
| Part Number | 266N24 |
| Construction | Open style, chassis mount |
| Product Type | Power Transformer - Low Voltage/Filament, Dual Primary & Secondary |
| Short Description | POWER TX 24V@4A, 12V @ 8A |
Dimensions
| Dimension A | 2.81 in (71 mm) |
| Dimension B | 3.06 in (78 mm) |
| Dimension C | 3.38 in (86 mm) |
| Dimension D | 2.25 in (57 mm) |
| Dimension E | 2.50 in (64 mm) |
| Mounting Style | B |
| Mounting Hole Width | 0.38 in (10 mm) |
| Mounting Hole Height | 0.20 in (5 mm) |
| Mounting Hole Size, Depth-wise (Drawing) | 0.203 in (5 mm) |
| Mounting Hole Size, Width-wise (Drawing) | 0.375 in (10 mm) |
Electrical
| Hi-Pot Test | 2,000V RMS |
| Secondaries | Dual secondaries; can be used as a center tapped secondary, parallel connected or used individually |
| Winding Use | Designed for use with all windings engaged |
| Power Rating | 96 VA |
| Primary Voltage | 117/234 VAC, 50/60 Hz |
| Primary Connection | 117V: parallel connection; 234V: series connection |
| Secondary VAC (R.M.S.) - Parallel | 12V @ 8A |
| Secondary VAC (R.M.S.) - Series (C.T.) | 24V @ 4A |
Identifiers
| UPC | 623980224046 |
| UNSPSC | 39121301 |
Packaging & Shipping
| Unit Weight | 4.4 lbs (2 kg) |
| Shipping Weight | 4.2 lbs (1.91 kg) |
Construction & Finish
| Leads | Minimum 6" long leads |
| Insulation | Class B (130 °C); UL listed as a Class A (105 °C) design |
| Bobbin Design | Dual bobbin - no electrostatic shield required |
Compliance & Certifications
| UL | UL listed (# E207860) Type 3AH |
| CSA | CSA certified (209651) |
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
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Frequently Asked Questions
What current is available from the 266N24 at 12V?▾
With the secondaries in parallel the 266N24 is rated 12V @ 8A. In series it is rated 24V @ 4A with a center tap.
Can the 266N24 run on both 117V and 234V?▾
Yes. The dual primary is rated 117/234 VAC, 50/60 Hz: connect the two primary windings in parallel for 117V or in series for 234V.
What are the mounting dimensions of the 266N24?▾
It is a Mounting Style B unit with listed dimensions A 2.81 in (71 mm), B 3.06 in (78 mm), C 3.38 in (86 mm), D 2.25 in (57 mm), E 2.50 in (64 mm); mounting holes are 0.20 in (5 mm) by 0.38 in (10 mm).
What certifications does the 266N24 have?▾
The 266 Series is UL listed (# E207860) Type 3AH and CSA certified (209651), and this part is listed as RoHS and REACH compliant.
Does it need an electrostatic shield?▾
No. The 266 Series uses a dual bobbin design, so no electrostatic shield is required.
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