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	0443049
Packing unit	10 pc
Minimum order quantity	1 pc
Product key	BE1221
Catalog page	Page 189 (C-1-2019)
GTIN	4017918002282
Weight per piece (including packing)	182.7 g
Weight per piece (excluding packing)	160 g
Customs tariff number	85369010
Country of origin	PL

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	4.73 W

Connection Data

Number of connections per level	2
Nominal cross section	50 mm²
Level 1 above 1 below 1
Screw thread	M6
Note	Please observe the current carrying capacity of the DIN rails.
Tightening torque	6 … 8 Nm
Stripping length	24 mm
Connection in acc. with standard	IEC 60947-7-2
Conductor cross section rigid	16 mm² … 50 mm²
Cross section AWG	4 … 2 (converted acc. to IEC)
Conductor cross section flexible	25 mm² … 50 mm²
Conductor cross section, flexible [AWG]	2 … 2 (converted acc. to IEC)
Conductor cross-section flexible (ferrule without plastic sleeve)	25 mm² … 50 mm²
Flexible conductor cross section (ferrule with plastic sleeve)	25 mm² … 50 mm²
Nominal cross section	50 mm²

Ex Data

Rated data (ATEX/IECEx)
Identification	 II 2 GD Ex eb IIC Gb
Operating temperature range	-60 °C … 110 °C
Ex-certified accessories	1205082 SZS 1,2X8,0 VDE
	1201659 E/AL-NS 32
	1201662 E/AL-NS 35
Torque range for PE foot	6 Nm … 8 Nm
output	(Permanent)
Ex connection data General
Torque range	6 Nm … 8 Nm
Nominal cross section	50 mm²
Rated cross section AWG	1/0
Connection capacity rigid	16 mm² … 50 mm²
Connection capacity AWG	6 … 1/0
Connection capacity flexible	25 mm² … 50 mm²
Connection capacity AWG	4 … 1/0

Dimensions

Width	20 mm
Height	70.5 mm
Depth on NS 32	81 mm
Depth on NS 35/15	83.5 mm

Material Specifications

Color	green-yellow
Flammability rating according to UL 94	V0
Insulating material group	I
Insulating material	PA
Temperature index of insulation material (DIN EN 60216-1 (VDE 0304-21))	125 °C
Relative insulation material temperature index (Elec., UL 746 B)	125 °C

Mechanical Properties

General
Terminal block mounting	6 Nm … 8 Nm (PE foot with mounting screw, M6)
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 %