TB 2,5-2L I - Multi-level terminal block

3246528

Multi-level terminal block, upper and lower level bridgeable, nom. voltage: 500 V, nominal current: 21 A, Thermal continuous current I_th: 21 A, connection method: Screw connection, Rated cross section: 2.5 mm², cross section: 0.5 mm² - 4 mm², mounting type: NS 35/7,5, NS 35/15, NS 32, color: dark gray

Product details

Product type	Multi-level terminal block
Product family	TB
Number of positions	2
Number of connections	4
Number of rows	2
Potentials	2
Insulation characteristics
Overvoltage category	III
Degree of pollution	3

Rated surge voltage	6 kV
Maximum power dissipation for nominal condition	0.77 W

Number of connections per level	2
Nominal cross section	2.5 mm²
Rated cross section AWG	12
Connection method	Screw connection
Screw thread	M2,5
Tightening torque	0.4 ... 0.5 Nm
Stripping length	8 mm
Internal cylindrical gage	A3
Connection in acc. with standard	IEC 60947-7-1
Conductor cross-section rigid	0.5 mm² ... 4 mm²
Cross section AWG	20 ... 12 (converted acc. to IEC)
Conductor cross-section flexible	0.5 mm² ... 2.5 mm²
Conductor cross-section, flexible [AWG]	20 ... 14 (converted acc. to IEC)
Conductor cross-section flexible (ferrule without plastic sleeve)	0.5 mm² ... 2.5 mm²
Flexible conductor cross-section (ferrule with plastic sleeve)	0.5 mm² ... 1.5 mm²
Cross-section with insertion bridge, rigid	0.5 mm² ... 2.5 mm²
Cross-section with insertion bridge, flexible	0.5 mm² ... 2.5 mm²
Cross-section with insertion bridge, flexible, with ferrule without plastic sleeve	0.5 mm² (1.5 mm²)
Cross-section with insertion bridge, flexible, with ferrule with plastic sleeve	0.5 mm² ... 1.5 mm²
2 conductors with same cross section, rigid	0.5 mm² ... 1.5 mm²
2 conductors with the same cross-section AWG rigid	20 ... 14 (converted acc. to IEC)
2 conductors with same cross section, flexible	0.5 mm² ... 1.5 mm²
2 conductors with the same cross-section AWG flexible	20 ... 14 (converted acc. to IEC)
2 conductors with same cross section, flexible, with ferrule without plastic sleeve	0.5 mm² ... 1 mm²
Nominal cross section	2.5 mm²
Thermal continuous current I_th	21 A
Nominal current	21 A
Maximum load current	24 A (with 4 mm² conductor cross-section)
Nominal voltage	500 V

Width	5.2 mm
End cover width	2.5 mm
Height	67 mm
Depth on NS 32	67 mm
Depth on NS 35/7,5	62 mm
Depth on NS 35/15	69.5 mm

Color	traffic gray B (RAL 7043)
Flammability rating according to UL 94	V0
Insulating material group	I
Insulating material	PA
Static insulating material application in cold	-60 °C
Relative insulation material temperature index (Elec., UL 746 B)	130 °C
Fire protection for rail vehicles (DIN EN 45545-2) R22	HL 1 - HL 3
Fire protection for rail vehicles (DIN EN 45545-2) R23	HL 1 - HL 3
Fire protection for rail vehicles (DIN EN 45545-2) R24	HL 1 - HL 3
Fire protection for rail vehicles (DIN EN 45545-2) R26	HL 1 - HL 3
Surface flammability NFPA 130 (ASTM E 162)	passed
Specific optical density of smoke NFPA 130 (ASTM E 662)	passed
Smoke gas toxicity NFPA 130 (SMP 800C)	passed

Surge voltage test
Test voltage setpoint	7.3 kV
Result	Test passed
Temperature-rise test
Requirement temperature-rise test	Increase in temperature ≤ 45 K
Result	Test passed
Short-time withstand current 2.5 mm²	0.3 kA
Result	Test passed
Power-frequency withstand voltage
Test voltage setpoint	1.89 kV
Result	Test passed

Mechanical data
Open side panel	Yes

Mechanical strength
Result	Test passed
Attachment on the carrier
DIN rail/fixing support	NS 32/NS 35
Test force setpoint	1 N
Result	Test passed
Test for conductor damage and slackening
Rotation speed	10 rpm
Revolutions	135
Conductor cross-section/weight	0.5 mm² / 0.3 kg
	2.5 mm² / 0.7 kg
	4 mm² / 0.9 kg
Result	Test passed

Needle-flame test
Time of exposure	30 s
Result	Test passed
Oscillation/broadband noise
Specification	DIN EN 50155 (VDE 0115-200):2022-06
Spectrum	Long life test category 2, bogie-mounted
Frequency	f₁ = 5 Hz to f₂ = 250 Hz
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
Shocks
Pulse shape	Half-sine
Acceleration	30g
Shock duration	18 ms
Number of shocks per direction	3
Test directions	X-, Y- and Z-axis (pos. and neg.)
Result	Test passed
Ambient conditions
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
	NS 32

Commercial data

Item number	3246528
Packing unit	50 pc
Minimum order quantity	50 pc
Note	Made to order (non-returnable)
Sales key	*****
Product key	BEK214
GTIN	4046356608725
Weight per piece (including packing)	12.654 g
Weight per piece (excluding packing)	11.89 g
Customs tariff number	85369010
Country of origin	CN

Classifications

Approvals

Approval Specification Data
	Nominal voltage U_N	Nominal current I_N	Cross section AWG
B
	300 V	20 A	20 - 12
C
	300 V	20 A	20 - 12
D
	600 V	5 A	20 - 12

Environmental product compliance

Compatible products

Accessories

ECLASS-13.0	27250102
ECLASS-15.0	27250102

EU RoHS
Fulfills EU RoHS substance requirements	Yes (No exemptions)
China RoHS
Environment friendly use period (EFUP)	EFUP-E No hazardous substances above the limits
EU REACH SVHC
REACH candidate substance (CAS No.)	No substance above 0.1 wt%
EF3.1 Climate Change
CO2e kg	0.11 kg CO2e

Automate

Connect

Mark, assemble, and install

Supply, charge, and protect

Switch, Measure and Monitor

TB 2,5-2L I - Multi-level terminal block

3246528

Product details

ECLASS

ETIM

UNSPSC

EAC

cULus Recognized

Compatible products

Automate

Connect

Mark, assemble, and install

Supply, charge, and protect

Switch, Measure and Monitor

TB 2,5-2L I - Multi-level terminal block 3246528

Product details

ECLASS

ETIM

UNSPSC

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TB 2,5-2L I - Multi-level terminal block

3246528