Standard features
- Automatic overload protection
- Convenient lighted on/off switches
- Available in 70, 150 and 250 VA outputs
- Offered in standard 120 volt, 60 Hz models
- Two duplex receptacles allow several pieces of equipment to economically share the same source of regulated power
- Dedicated series transient protection
- Bidirectional design reduces noise on surrounding lines
Specifications
- Input
- Voltage: 120 V Input Voltage Range: +10% to -20% of input nominal voltage
- Control
- Lighted Enable Switch
- Output
- Voltage: 120 V Voltage Regulation: ±3% for an input line variation of +10% to -20%. Output will remain within NEMA voltage specifications for input voltages as low as 65% of nominal. No loss of output for line loss of three milliseconds. Harmonic Distortion: Less than 3% total RMS content at full load
- Protection Type
- Nine-stage series type filters out both common and normal mode transients
- Maximum Current
- 2 amps continuous
- Trip Point
- 130 VAC rms
- Clamping Time
- Less than five nanoseconds
- EMI/RFI Protection
- Nine stages
- Grounding
- 20 ft insulated #10 AWG wire provided
- Temperature
- Operating: 14 °F to 104 °F (-10 °C to 40 °C)
- Dimensions
- (L × W × H) 4.01 × 2.05 × 2.00 in
- Warranty
- One-year limited
Models & part numbers
Available configurations.
| Part / model | Description |
|---|---|
| 21142 | EL225-4 AC transient protector (chassis mount) 115 VAC 1 lb |
| 21156 | Sola MCR 150 AC power regulator, 150 VA 21 lb |
| 21157 | Sola MCR 250 AC power regulator, 250 VA 29 lb |
Pricing, availability, and lead times are confirmed in your quote. Source: Rice Lake Weighing Systems 2026 Master Catalog, page 824. Specifications are subject to change without notice.
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