Surge protection for measurement and control technology - TT-UKK5-M/ 60AC 2788045

Double-level modular terminal block with suppressor diode as surge protection between both levels, disconnect knife in the upper level, nominal voltage: 60 V AC, for mounting on NS 32 or NS 35/7.5, closed housing, terminal width: 6.2 mm, terminal height: 68 mm


Product Details




IEC test classification C3
VDE requirement class C3
Type Double-level terminal block with disconnect knife
Surge protection fault message none
Wire pairs per module 1

Mounting type DIN rail: 35 mm

Color black
Flammability rating according to UL 94 V2
Housing material PA

Connection method Screw connection
Screw thread M3
Tightening torque, min 0.5 Nm
Conductor cross section flexible min. 0.2 mm²
Conductor cross section flexible max. 4 mm²
Conductor cross section solid min. 0.2 mm²
Conductor cross section solid max. 4 mm²

Width 6.2 mm
Height 68 mm
Length 80 mm

Direction of action Line-Line
Maximum continuous voltage UC 93 V DC
66 V AC
Maximum continuous voltage UC (line-line) 66 V AC
93 V DC
Operating effective current IC at UC ≤ 5 µA
Nominal discharge current In (8/20) µs (line-line) 51 A
Total surge current (8/20) µs 51 A
Max. discharge current Imax (8/20) µs maximum (line-line) 51 A
Nominal pulse current Ian (10/1000) µs (line-line) 10 A
Output voltage limitation at 1 kV/µs (line-line) spike ≤ 185 V
Output voltage limitation at 1 kV/µs (line-line) static ≤ 165 V
Residual voltage at In (conductor-conductor) ≤ 195 V
Response time tA (line-line) ≤ 1 ns
Cut-off frequency fg (3 dB), sym. in 150 Ω system typ. 5 MHz
Capacity (Core-Core) ≤ 180 pF
Surge protection fault message none

Mechanical data
Open side panel No

VDE requirement class C3
Air clearances and creepage distances
Standards/regulations VDE 0110-1
Standards Information technology specification
Standards/regulations IEC 61643-21
IEC 61643-21

Ambient conditions
Degree of protection IP20
Ambient temperature (operation) -40 °C ... 85 °C


Order Key 2788045
Packing unit 50 pc
Minimum order quantity 1 pc
Note Made to Order (non-returnable)
Catalog Page Page 89 (TT-2007)
GTIN 4017918071295
Weight per Piece (including packing) 26.1 GRM
Weight per Piece (excluding packing) 2.6 GRM
Customs tariff number 85363010
Country of origin GR