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RTBN Rail Transient Barrier

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  • Surge module easily snaps into place
  • Mechanical flag will protrude to indicate the module needs to be replaced
  • Thermal disconnect releases the indicator when the device reaches end-of-life, disconnecting itself from the circuit to prevent it from becoming a short or shunt
  • Surge module attaches to the base with a latching mechanism that easily locks the device into place, preventing the module from disconnecting during service
  • Integration of GDT (gas discharge tube) technology and MOV (metal oxide varistors), a combination that delivers consistency and the capability to protect against fast spikes
  • Screw-less cage clamp terminal allows for easy connection, solid or stranded wires are simply pushed in to lock into place, reducing installation time by as much as 75%
  • DIN rail grounding connection eliminates the need for extra grounding wires


Part Number RTB12N RTB30N RTB50N RTB130N
Nominal System Voltage (Un) 12 VDC
30 VDC
21 VAC
50 VDC
35 VAC
130 VDC
110 VAC
Max Continuous Operating Voltage (Uc) 18 VDC
12 VAC
33 VDC
23 VAC
65 VDC
50 VAC
170 VDC
130 VAC
Max Discharge Current (Imax) 40 kA 8/20 μs
Rated Load Current (IL) 15 A
Voltage Protection Rating (VPR) 65 V @ 3 kA L-L
245 V @ 3 kA L+L-PE
105 V @ 3 kA L-L
245 V @ 3 kA L+L-PE
230 V @ 3 kA L-L
245 V @ 3 kA L+L-PE
530 V @ 3 kA L-L
495 V @ 3 kA L+L-PE
Loop Resistance 900 µΩ
Mounting 35 mm top hat DIN rail
G type DIN rail
Protection Modes L-L
Status Indication Mechanical flag
Remote Contacts
Connection, Solid #18 – #12
Connection, Stranded #18 – #12
Enclosure Material UL® 94V-0 Thermoplastic
Enclosure Rating IP 20
Temperature -40 to 185 °F
Depth (D) 4.22"
Height (H) 4.33"
Width (W) 0.71"
Unit Weight 0.22 lb
Complies With AREMA® C&S Manual Parts 11.5.1, 11.3.2, 14.1.2
ANSI®/IEEE® C62.41.2-2002 Cat A, Cat B, Cat C
Color Red Black Purple Yellow
Replacement Module RTBN12M RTBN30M RTBN50M RTBN130M

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