Accessories and ordering data - Arc protection - Auto synchronization - Bay control and measurement - Merging unit - Transformer protection - 2 winding - Feeder protection - Voltage regulation - Capacitor bank protection - Petersen Coil control - Grid automation - Busbar differential protection (high impedance) - Back-up protection - Motor protection - Busbar protection (voltage and frequency) - Transformer protection - 3 winding - Interconnection protection - Generator protection - Power management/Load shedding - Installation Manual - REX640 Protection and control - Relion Protection and Control - PCL4 - IEC - ANSI

Table 1. HMI
Item	Order number
LHMI (including mounting bracket kit)	2RCA033008A0001
LHMI, conformal coated (including mounting bracket kit)	2RCA033008A0901
SHMI (including mounting bracket kit)	2RCA033008A0002
SHMI, conformal coated (including mounting bracket kit)	2RCA033008A0902
0.5 m (1.6 ft) connection cable for HMI	1MRS120549-05
1.0 m (3.3 ft) connection cable for HMI	1MRS120549-1
2.0 m (6.6 ft) connection cable for HMI	1MRS120549-2
3.0 m (9.8 ft) connection cable for HMI	1MRS120549-3
5.0 m (16.4 ft) connection cable for HMI	1MRS120549-5
RJ-45 coupler for HMI service port	SYJ-ZBE 8A17

Table 2. Communication
Item	Order number
LC SFP plug-in connector for optical multimode media 100M	2RCA045621
LC SFP plug-in connector for optical single-mode media 100M, 20.0 km (12.4 mi)	2RCA045622
LC SFP plug-in connector for optical single-mode media 100M, 50.0 km (31.1 mi)	2RCA045623

Table 3. Mounting
Item	Order number
Back wall / side wall mounting kit standard housing	2RCA040872A0001
Back wall / side wall mounting kit narrow housing	2RCA058741A0001
Roof mounting kit standard housing	2RCA040873A0001
Door mounting with LHMI standard housing	2RCA040882A0001
Door mounting with LHMI narrow housing	2RCA058742A0001
19 inch relay rack mounting with HMI standard housing, 7U	2RCA041125A0001
19 inch relay rack mounting without HMI standard housing, 7U	2RCA041127A0001
19 inch relay rack mounting with HMI one narrow unit, 7U	2RCA058747A0001
19 inch relay rack mounting without HMI one narrow unit, 7U	2RCA058746A0001
19 inch relay rack mounting with HMI two narrow units, 7U	2RCA058750A0001
19 inch relay rack mounting without HMI two narrow units, 7U	2RCA058749A0001
Surface mounting kit for HMI	2RCA038783A0001
Tilt mounting kit for HMI	2RCA038782A0001
Grounding bar kit for RTD module	2RCA039981A0001
19 inch relay rack mounting for relay and HMI, including a provision for RTXP 24 test switch, 6U	2RCA051498A0001
19 inch relay rack mounting for relay and HMI, including a provision for RTXP 24 test switch, 7U	2RCA051503A0001

Table 4. Arc sensors
Item	Order number
ARC lens sensor cable 1.5 m (4.9 ft)	2RCA040290A0001
ARC lens sensor cable 3.0 m (9.8 ft)	2RCA040290A0003
ARC lens sensor cable 5.0 m (16.4 ft)	2RCA040290A0005
ARC lens sensor cable 7.5 m (24.6 ft)	2RCA040290A0007
ARC lens sensor cable 15.0 m (49.2 ft)	2RCA040290A0015
ARC loop sensor cable 5.0 m (16.4 ft), plastic fiber	2RCA051658A0005
ARC loop sensor cable 10.0 m (32.8 ft), plastic fiber	2RCA051658A0010
ARC loop sensor cable 15.0 m (49.2 ft), plastic fiber	2RCA051658A0015
ARC loop sensor cable 20.0 m (65.6 ft), plastic fiber	2RCA051658A0020
ARC loop sensor cable 25.0 m (82.0 ft), plastic fiber	2RCA051658A0025
ARC loop sensor cable 30.0 m (98.4 ft), plastic fiber	2RCA051658A0030
ARC loop sensor cable 40.0 m (131.2 ft), glass fiber	2RCA041050A0040
ARC loop sensor cable 50.0 m (164.0 ft), glass fiber	2RCA041050A0050
ARC loop sensor cable 60.0 m (196.9 ft), glass fiber	2RCA041050A0060
Blind extension cable for ARC loop sensors, 2.0 m (6.6 ft), to be used with plastic fiber loops only	2RCA051662A0001
ARC sensor fiber, 100 m, delivery length	1MSC 380018.100
ARC sensor fiber, 300 m, delivery length	1MSC 380018.300
ARC sensor fiber, 500 m, delivery length	1MSC 380018.500
ARC sensor fiber connector (25 pcs.)	SJG BP05226-02
ARC sensor fiber connector spacer sleeve (25 pcs.)	2RCA056821

Table 5. Connectors
Item	Order number
Compression-type signal connectors	SYJ-ZRK 2Z18P1
Ring-lug type signal connectors	SYJ-ZRK 33X18
Push-in type signal connectors	SYJ-ZRK 53P18PM
1 CT-1 VT compression-type connector	2RCA040474A0004
5 CT compression-type connector	2RCA040474A0001
5 VT compression-type connector	2RCA040474A0002
1 CT-4 VT compression-type connector	2RCA040474A0003
1 CT-1 VT ring-lug type connector	2RCA041297A0004
5 CT ring-lug type connector	2RCA041297A0001
5 VT ring-lug type connector	2RCA041297A0002
1 CT-4 VT ring-lug type connector	2RCA041297A0003
RS-485/IRIG-B connector	SYJ-ZRK 44P10
HMI power supply connector	SYJ-ZRK 45X3¹

¹ Compatible alternative connector with screw flange fastening Weidmüller 1944340000.