The Hampden Model 1290B-6C Dissectible Transformer is a versatile device for teaching transformer principles. It is also useful in the laboratory or shop when a special transformer, DC choke or AC reactor is needed. The Hampden Model HC-1290A Storage and Carrying Case has provision for storing the core, coils, and air gap spacers, and has a luggage style handle for convenient portability.

The Hampden Model T-100-3A consists of three single-phase transformers with multiple primary and secondary taps terminated at socket receptacles on the front of the unit. Each of the three transformers may be used independently, or the three may be interconnected into wye and delta configurations.

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The Hampden Model H-DTT-26-120 allows students to correctly make connections to power transformers located on utility poles. Following instruction, students will work in a lab using miniature hardware that mimics the appearance of real-world equipment. They will use an apparatus that looks like a short length of power line. The upper 3 wires will represent the high voltage line (an optional 4th wire, representing a common neutral is also supplied), the lower 3 wires (4 wires for some configurations) will represent the service voltages from the transformer to the customers secondary connections. **Options:**

H-DTT-26-FP Electrical Fault Package

H-DTT-26-CSX Color-coded Cord Set

H-DTT-26-X-3T-B2 Blue Transformer Set 120V/12-24V (3 per set)

H-DTT-26-X-3T-Y2 Yellow Transformer Set 120V/12V (3 per set)

H-DTT-26-X-3T-R2 Red Transformer Set 120V/24-48V (3 per set)

H-DTT-26-X-3T-G2 Green Transformer Set 208V/27V (3 per set)

H-PRM-26 Phase Rotation Meter

H-HMR-26 Roll Around Storage Cabinet for all components of 6 lab sets

The Hampden Model ET-100 is a double-wound, multi-tapped, single-phase transformer rated 120 volt-amperes at 60Hz.

The Hampden Model H-TTD-2A Single-Phase Transformer Trainer demonstrates the principles of Lenzs first and second laws as applied to transformers. Typical material covered includes efficiency, ratios, vectors, open circuit test and short circuit test.

The Hampden Model H-DTT-26 allows students to correctly make connections to power transformers located on utility poles. Following instruction, students will work in a lab using miniature hardware that mimics the appearance of real-world equipment. They will use an apparatus that looks like a short length of power line. The upper 3 wires will represent the high voltage line (an optional 4th wire, representing a common neutral is also supplied), the lower 3 wires (4 wires for some configurations) will represent the service voltages from the transformer to the customers secondary connections.**Options:**

H-DTT-26-FP Electrical Fault Package

H-DTT-26-CSX Color-coded Cord Set

H-DTT-26-X-3T-B2 Blue Transformer Set 120V/12-24V (3 per set)

H-DTT-26-X-3T-Y2 Yellow Transformer Set 120V/12V (3 per set)

H-DTT-26-X-3T-R2 Red Transformer Set 120V/24-48V (3 per set)

H-DTT-26-X-3T-G2 Green Transformer Set 208V/27V (3 per set)

H-PRM-26 Phase Rotation Meter

H-HMR-26 Roll Around Storage Cabinet for all components of 6 lab sets

The Hampden Model H-TTD-1A consists of: Component panel, Transformers, Instruments, Resistance-Inductance-Capacitance loads, Variable AC power supply, Mobile stand.

The Model H-TTC-PIL-1A Transformer Learning Center provides, in one convenient mobile console, all of the instrumentation, loading, and control apparatus necessary for the analysis of transformer characteristics and circuits.

The Hampden Model H-IPI-XFMR Individually Paced Instruction Transformer Program consists of three units. Each unit provides a multimedia introduction and a step-by-step tutorial covering all topics. Units covered are: (1) Basic Principles (2) Transformer Computations (3) Polyphase Connections. The Hampden Model H-IPI-XFMR comes with Site License. (Unit 1 Basic Principles shown)

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The Hampden Model T-100A consists of a single-phase transformer with multiple primary and secondary taps that are terminated at binding posts mounted on the units front panel. The unit may be used singly or several units may be interconnected in series, in parallel, or three-phase configurations.