# 4503L California Instruments AC Source Used

**Additional Features:**

-   Output Power: 4500VA
-   Total Watts: 7500W
-   Output voltages: 0-135, 0-270
-   Current in 135V range: Arms:37
-   Output Frequency: 17 Hz to 2 kHz
-   Total Harmonic Distortion: 45 Hz to 2 kHz: 1 percent; To 5 kHz: 2 percent;  50/60 Hz: 0.5 percent typical

**Protection**

-   Overcurrent
-   Overpower
-   Short circuit
-   Overtemperature
-   Current limit trip standard with programmable units
-   Adjustable current limit

## Details

- **Price:** 0.0 USD - 172.5 USD
- **Vendor:** California Instruments
- **Type:** AC Sources
- **Tags:** AC Source, California Instruments, Manufacturers, Power Supplies & Loads, product_manual_group_1, Product_used

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| None | 0.00 USD | In stock |
| NIST Traceable | 127.50 USD | In stock |
| NIST Traceable with Full Data | 150.00 USD | In stock |
| ISO IEC 17025 Accredited | 172.50 USD | In stock |

## Images

- 4503L California Instruments AC Source Used

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> Source: [ValueTronics](https://valuetronics.com/products/4503l-california-instruments-ac-source-used)
> Updated: 2026-05-21