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ISOBLOK® – AC Transient Protector

Rice Lake · Power Conditioning

ISOBLOK®

AC Transient Protector

Capacity 1 lb

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 / modelDescription
21145ISOBLOK 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.