Inosaki – Your Trusted Phoenix Contact Distributor
Inosaki proudly stands as one of the largest distributors of Phoenix Contact products, offering a comprehensive range of terminal blocks, interface modules, power supplies, and relays.

Our Best-Selling Terminal Blocks: Feed-Through, Fuse Modular, Spring Cage, Double Level, Multi-Level

Series Models: PT Series, ST Series, TB Series, UT Series, and UK Series, PTV Series, UKH Series, Micro Series.

Reliable Power Supply Solutions

Discover industry-leading Phoenix Contact power supplies, such as:

QUINT Power – Premium performance for critical systems
STEP Power – Compact design for space-saving applications
Trio Power – Rugged and reliable for industrial needs
UNO Power – Cost-effective and efficient

Get Your Phoenix Contact Catalog Today
Need detailed product information? Contact us at sales@inosaki.com to request your Phoenix Contact catalog.

Commercial Data

Item number	3059854
Packing unit	50 pc
Minimum order quantity	50 pc
Sales key	02
Product key	BEK221
GTIN	4046356643542
Weight per piece (including packing)	18.876 g
Weight per piece (excluding packing)	2.495 g
Customs tariff number	85369010
Country of origin	CN

Product Properties

Product type	Ground terminal block
Number of positions	1
Number of connections	2
Number of rows	1
Insulation characteristics
Overvoltage category	III
Degree of pollution	3

Electrical Properties

Rated surge voltage	8 kV
Maximum power dissipation for nominal condition	0.77 W

Connection Data

Number of connections per level	2
Nominal cross section	2.5 mm²
Rated cross section AWG	12
Screw thread	M2,5
Note	Please observe the current carrying capacity of the DIN rails.
Tightening torque	0.4 … 0.5 Nm
Stripping length	8 mm
Internal cylindrical gage	A3
Connection in acc. with standard	IEC 60947-7-2
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)	0.25 mm² … 1 mm²
Cross-section with insertion bridge, rigid	2.5 mm²
Cross-section with insertion bridge, flexible	2.5 mm²
Nominal cross section	2.5 mm²

Dimensions

Width	6.2 mm
End cover width	1.5 mm
Height	42.5 mm
Depth on NS 32	47.1 mm
Depth on NS 35/7,5	42.1 mm
Depth on NS 35/15	49.6 mm

Material Specifications

Color	green-yellow
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

Mechanical Properties

Mechanical data
Open side panel	No

Environmental and real-life conditions

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 %