Stepper Power Supplies and Regen

SureStep Regen Braking Accessories

In most stepper systems, a regen clamp (available as optional accessories) is often required to limit increased power supply bus voltage when the motor is decelerating under load.

Features

• Built-in 50W power resistor for more continuous current handling
• Mounted on a heat sink
• Voltage range: 2480 VDC; no user adjustments required
• Power: 50W continuous; 800W peak
• Indicators (LED):
  - Green = power supply voltage is present
  - Red = clamp is operating (usually when tepper is decelerating)
• Protection: The external power supply is internally connected to an "Input Diode" in the regen clamp that protects the power supply from high regeneration voltages.

---

STP-DRVA-RC-050A Regen Clamp

• Three drive connections, 7A max per channel, 15A total output current
• Enclosed housing
• Removable terminal blocks (replacement kit STP-CON-4)
• Uses 18-20 AWG wire for connections

The STP-DRVA-RC-050A Regen Clamp is
$59.00
(STP-DRVA-RC-050A)

---

STP-DRVA-RC-050 Regen Clamp

• External 100W resistor available
• Multiple drives in parallel up to 20A total output current
• Non-removable terminal blocks
• Uses 12-18 AWG wires for connections

The STP-DRVA-RC-050 Regen Clamp is
$96.00
(STP-DRVA-RC-050)

---