User guide
Xenus XTL User Guide    Wiring 
Copley Controls Corp.  51 
4.4: Regen Resistor (J3) (Optional) 
Mating Connector 
Description  Euro-style, 5 position, 5.0 mm pluggable male terminal block. 
Manufacturer PN 
Wago: 51111277 or 721-605/000-043/RNn01-0000 
Wire Size  22 - 12 AWG 
Recommended Wire  18 A models: 14 AWG, 600 V 
36 A and 40 A models: 12 AWG, 600 V 
Shielded cable required for CE compliance 
Wire Insertion/Extraction Tool  Wago: 231-131 
Standard connector and tool are included in connector kit XTL-CK or XTL-CA 
Pin Description 
Pin Signal Function 
1 Regen +  + DC Bus to one side of regen resistor 
2 N/C No connection 
3 Regen -  Collector of regen transistor to one side of regen resistor 
4 N/C No connection 
5 Ground  Enclosure ground and cable shield 
Regen Resistor Wiring Diagram 
Regen
+
Regen
-
+
DC Bus
-
DC Bus
Fuses
(optional*)
Regen
Resistor
Enclosure
Amplifier J3
J3-5
J3-4
J3-3
J3-2
J3-1
*Fuses may be required by local electrical codes
Regen Resistor Fusing 
Recommended Fuses:
Regen Resistor Fuse type
XTL-RA-03  Cooper Bussman KLM-8, Littelfuse KLKD008, Ferraz Shawmut ATM-10 or equivalent. 
XTL-RA-04  Cooper Bussman KLM-12, Littelfuse KLKD012, Ferraz Shawmut ATM-15 or equivalent. 
User Supplied See Regen Resistor Sizing and Configuration (p. 137).










