UT 4-TG BU Disconnect Terminal Block

Selling Points

1High Voltage and Current Ratings: Supports up to 500V and 20A, ideal for demanding industrial applications.
2Compact Design: Offers a small footprint with a blue color, perfect for space-saving installations.
3Screw Connection: Easy and secure connection method using M3 screws, ensuring reliable performance.
4Flexible Conductor Support: Accepts conductors from 26 to 10 AWG, accommodating various wire sizes.
5Durable Insulation: Made with polyamide insulator, providing excellent insulation and mechanical stability.

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Parameter	Value	Parameter	Value
General	Current and voltage are determined by the plug used.	Product type	Disconnect terminal block
Number of connections	2	Number of rows	1
Potentials	1	Article revision	10
Overvoltage category	III	Degree of pollution	3
Rated surge voltage	6 kV	Maximum power dissipation for nominal condition	1.02 W
Number of connections per level	2	Nominal cross section	4 mm²
Screw thread	M3	Tightening torque	0.6 ... 0.8 Nm
Stripping length	9 mm	Internal cylindrical gage	A4
Connection in acc. with standard	IEC 60947-7-1	Conductor cross section rigid	0.14 mm² ... 6 mm²
Cross section AWG	26 ... 10 (converted acc. to IEC)	Conductor cross section flexible	0.14 mm² ... 6 mm²
Conductor cross section, flexible [AWG]	26 ... 10 (converted acc. to IEC)	Conductor cross-section flexible (ferrule without plastic sleeve)	0.14 mm² ... 4 mm²
Flexible conductor cross section (ferrule with plastic sleeve)	0.14 mm² ... 4 mm²	2 conductors with same cross section, solid	0.14 mm² ... 1.5 mm²
2 conductors with same cross section, flexible	0.14 mm² ... 1.5 mm²	2 conductors with same cross section, flexible, with ferrule without plastic sleeve	0.14 mm² ... 1.5 mm²
2 conductors with the same cross section, flexible, with TWIN ferrule with plastic sleeve	0.5 mm² ... 2.5 mm²	Thermal continuous current I	20 A (with 4 mm² conductor cross section)
Maximum load current	20 A (with 6 mm² conductor cross section)	Nominal voltage	500 V
Nominal cross section	4 mm²	Width	6.2 mm
Height	57.8 mm	Depth on NS 35/7,5	47.5 mm
Depth on NS 35/15	55 mm	Color	blue (RAL 5015)
Flammability rating according to UL 94	V0	Insulating material group	I
Insulating material	PA	Test voltage setpoint	7.3 kV
Result	Test passed	Requirement temperature-rise test	Increase in temperature ≤ 45 K
Result	Test passed Test passed	Short-time withstand current 2.5 mm²	0.3 kA
Result	Test passed	Test voltage setpoint	1.89 kV
Result	Test passed	Open side panel	No
Result	Test passed	DIN rail/fixing support	NS 35
Test force setpoint	1 N	Result	Test passed
Rotation speed	10 (+/- 2) rpm	Revolutions	135
Conductor cross section/weight	0.14 mm² / 0.2 kg 4 mm² / 0.9 kg 6 mm² / 1.4 kg	Result	Test passed
Time of exposure	30 s	Result	Test passed
Specification	DIN EN 50155 (VDE 0115-200):2022-06	Spectrum	Service life test category 2, bogie-mounted
Frequency	f	ASD level	6.12 (m/s²)²/Hz
Acceleration	3.12g	Test duration per axis	5 h
Test directions	X-, Y- and Z-axis	Result	Test passed
Specification	DIN EN 50155 (VDE 0115-200):2008-03	Pulse shape	Half-sine
Acceleration	5g	Shock duration	30 ms
Number of shocks per direction	3	Test directions	X-, Y- and Z-axis (pos. and neg.)
Result	Test passed	Ambient temperature (operation)	-60 °C ... 110 °C (Operating temperature range incl. self-heating; for max. short-term operating temperature, see RTI Elec.)
Ambient temperature (storage/transport)	-25 °C ... 60 °C (for a short time, not exceeding 24 h, -60 °C to +70 °C)	Ambient temperature (assembly)	-5 °C ... 70 °C
Ambient temperature (actuation)	-5 °C ... 70 °C	Permissible humidity (operation)	20 % ... 90 %
Permissible humidity (storage/transport)	30 % ... 70 %	Connection in acc. with standard	IEC 60947-7-1
Mounting type	NS 35/7,5 NS 35/15

Specifications may be subject to change without notice