
Standard features
- Two outlets, direct plug-in
- LED indicator for power on
- LED indicator for protection circuitry
- UL1449 listed at 330 volts
- Mounting clamp assures positive connection
Specifications
- Input Voltage
- 120 VAC
- Clamping Voltage
- 140 V rms
- Clamping Time
- Less than five nanoseconds
- Peak Surge Currents
- 6,500 amps
- Maximum Current
- 15 amps
- Maximum Power
- 1,875 watts
- Noise Suppression
- Frequency Attenuation 50 KHz > 20 db 150 KHz > 40 db 1 MHz > 80 db > 6 MHz > 30 db
- Dimensions
- (L × W × H) 4.15 × 2.37 × 2.31 in
Models & part numbers
Available configurations.
| Part / model | Description |
|---|---|
| 21145 | ISOBLOK AC two-outlet transient protector 1 lb |
Pricing, availability, and lead times are confirmed in your quote. Source: Rice Lake Weighing Systems 2026 Master Catalog, page 821. Specifications are subject to change without notice.
More in Power Conditioning




