DT27510R DT2 DIN Rail Surge Protection Class II, 1+0 Mode

Surges and voltage transients are a major cause of expensive electronic equipment failure and business disruption. Damage may result in the loss of capital outlays, such as computers and communications equipment, as well as consequential loss of revenue and profits due to unscheduled system down-time. nVent ERICO offers multiple series of surge protective devices (SPDs) suitable for a vast range of applications that provide reliable protection from voltage transients on power distribution systems. The DT2 Series DIN Rail Surge Protective Devices provide reliable and efficient protection against voltage transients within the IEC Class II and UL Type 1CA environments. Tested and independently certified to the IEC and UL standards, the DT2 Series provides a range of safety and performance features for the harshest environments and suitable for protection within a wide range of applications.


Part NumberDT27510R
Nominal System Voltage (Un)60 V
Max Continuous Operating Voltage (Uc)75 V
Nominal Discharge Current (In), IEC20 kA 8/20 μs
Max Discharge Current (Imax), IEC50 kA 8/20 μs
Voltage Protection Level (Up)800 V
Back-Up Fuse @ Isccr250 A @ 50 kA
315 A @ 25 kA
Response Time25 ns Max
Protection ModesL-PE
Short Circuit Current Rating (Isccr)25 kA
50 kA
Temporary Over Voltage 120 min (Ut/mode)114 V Withstand
Temporary Over Voltage Withstand 5 s (Ut)114 V
Nominal Discharge Current (In), UL20 kA 8/20 μs
Short Circuit Current Rating (SCCR)100 kA
Voltage Protection Rating (VPR)500 V
TechnologyThermal Disconnect
Connection, Solid35 mm² Max
Connection, Stranded25 mm² Max
Torque (TQ)4.5 N-m
Humidity5 – 95 % RH
Temperature-40 to 70 °C
Enclosure MaterialUL® 94V-0 Thermoplastic
Enclosure RatingIP 20
Mounting35 mm top hat DIN rail
Remote Contact Switching Capacity1.0 A @ 250 VAC
1.0 A @ 125 VAC
0.5 A @ 48 VDC
0.5 A @ 24 VDC
0.5 A @ 12 VDC
Remote ContactsYes
Status IndicationMechanical flag
Depth (D)69 mm
Height (H)90 mm
Width (W)18 mm
Unit Weight0.124 kg
Certification DetailsUL® 1449 Edition 4 Type 1CA
Complies WithEN 61643-11 Type 2
IEC® 61643-11 Class II