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HomeProducts Power Switching Zesta Solid State Power Controllers Zesta ZPAC Solid State Relay

Zesta ZPAC Solid State Relay

up to 70 amps
Zesta ZPAC Solid State Relay
Zesta ZPAC Solid State Relay DIN rail mount
Zesta ZPAC Solid State Relay DIN rail mount
Zesta ZPAC Solid State Relay DIN rail mount
Zesta ZPAC Solid State Relay Single Phase
Zesta ZPAC Solid State Relay Three Phase Two-Leg
Zesta ZPAC Solid State Relay
Zesta ZPAC Solid State Relay DIN rail mount
Zesta ZPAC Solid State Relay DIN rail mount
Zesta ZPAC Solid State Relay DIN rail mount
Zesta ZPAC Solid State Relay Single Phase
Zesta ZPAC Solid State Relay Three Phase Two-Leg
Zesta’s ZPAC is a solid state relay power controller
assembly. It is an electronic switching device that
switches power (current) to a load circuit when an
external DC or AC control signal is applied across its
terminals.

The ZPAC is an economical, general-purpose switching
device primarily used in heating applications. Its simple
design allows for easy installation and setup. The ZPAC
is capable of fast switching, which allows for better
heater control, resulting in improved process control and
prolonged heater life.

The ZPAC is available from stock in single-phase and
three-phase (two-leg) configurations. Custom ZPAC SSR
assemblies are also available. Contact your Zesta
technical sales representative for more information.
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Features
Specifications
Ordering information
Resources
Applications

Product Features

  • Available for single-phase loads (up to 70 amp rated)
  • Available for three-phase loads (up to 35 amp rated)
  • Zero cross switching, Phase angle
  • Up to 600 volt rated
  • Custom SSR Assemblies are also available
  • Large inventory

Product Specifications

Solid State Relay Control:
  • Single phase, single SSR
  • Three phase, two leg control for three wire (non- grounded load) dual SSR
  • Resistive loads
  • Inductive loads (AT input only)
Input Options:
  • AC Input = 90-280 VAC. Drop out voltage 10V(rms)
  • DC Input = 4-32 VDC. Drop out voltage 1 VDC
  • MA Input = Burst firing (zero cross) control card. Input 4-20 mA only. Bias and Gain adjustable. Input impedance 500 ohms minimum.
  • BT Input = Burst Firing (zero cross) control card, manual control (percent power) 1- phase only. Input, factory adjusted for 4-20 mA. Bias and Gain adjustable, 0-12 VDC / 0-25 mA. Input impedance 300 W (clip R-2 for 5kW, voltage input).
  • AT Input = phase angle control card, manual control (percent power) 1-phase only, input factory adjusted for 4-20 mA. Bias and Gain adjustable, 0-12 VDC/0-25mA. Input impedance 300 W (clip R-2 for 5 kW, voltage
  • input). Soft start ten seconds (approx), 120-600 VAC to 24 VAC power transformer included, model dependent for AT and BT options
Output:
  • 120 VAC through 600 VAC
  • 10 - 70 Amps
Operating Ambient:
  • Operating Ambient
  • Temperature: -20° to 40°C
Line Frequency Range:
47 to 80 Hz

This is a description for the applications list below.