IDEC EC2B Catalog
Summary
Designed for critical, high-risk industrial environments, these flameproof control boxes deliver exceptional safety with robust, corrosion-resistant stainless steel construction and an IP65 rating. Ideal for any facility subject to explosive gases, steam, or fine dust buildup, they maintain compliance across global standards including ATEX, IECEx, UL/c-UL, and Ex-CCC. The manual provides comprehensive technical specifications, certification details, and configuration options, helping users safely integrate reliable power control systems into the most challenging operational sites worldwide.
Page 1 Text Content
EC2B Series Control Boxes (Flameproof & Increased Safety) lic ab le
lic ab le on tr ol ni
Complies with IECEx, ATEX, Ex-CCC, UL/c-UL and TIIS. Ideal for use in factories. • Corrosion resistant stainless steel enclosure. • Applicable in areas where explosive gases/steam exist including hydrogen and acetylene, and environments subject to dust (ATEX, IECEx, Ex-CCC). • Available with a variety of switches/pilot lights and enclo- sures. • Available for global applications Global: IECEx North America: UL/c-UL Europe: CE/ATEX China: Ex-CCC Japan: TIIS • Degree of protection: IP65 (IEC 60529), Type4X (UL)
Specifications Explosion protection specifications and Degree of protection IP65 (IEC60529), Type 4X (UL) certification number Housing Material Stainless steel (SUS304) Certification
Certification Explosion Protection
5Y7/1 (semi gloss) melamine baking (coating No.
thickness: 10 µm) TIIS Ex de IIC T6 See Page 24
Standard Coating *
1-column: Outside coating
Ex db eb IIC T6 Gb IECEx PTB
2-, 3-, 4-column: Inside and outside coating IECEx
Ex tb IIIC T80ºC Db (dust) 15.0032
Ex db eb IIC T6 Gb PTB 08 ATEX
(with pilot light or ET2A-8PE screw terminal ATEX
Rated Insulation Ex tb IIIC T80ºC Db (dust)
block: 500V)
Voltage Class I, Zone 1
Meter AC input: 300V
AEx d e IIC T6 Gb
Meter DC input: 150V UL
Class I Div 2, Groups A, B, C
Insulation Resistance 100 MΩ minimum (500V DC megger) and D Operating Temperature −20 to +50°C (no freezing) Class I, Zone 1, Ex de IIC T6 Gb E347230
Operating Humidity 45 to 85% (no condensation) Class I Div 2, Groups A, B, C
Without pilot light
and D
Altitude 2000m maximum
c-UL Class I, Zone 1, Ex de IIB T6 Gb
Special coating, buffing (#400), and special color are possible. With pilot light Class I, Div 2, Groups C and D Contact IDEC for details. Ex de IIC T6 Gb
Ex-CCC
Ex t D A21 IP65 T80ºC (dust)
IECEx/ATEX/Ex-CCC, UL/c-UL/ IECEx/ATEx, and TIIS Comparison
IECEx/ATEX/Ex-CCC certified UL/c-UL, IECEx/ATEX certified TIIS certified
Part No. EC2B- -GL EC2B- -U EC2B-
All enclosures except for 6 Control
Applicable Enclosure All enclosures All enclosures
Units x 4 Column
Wall Mount
Mounting Style Wall Mount Wall Mount
Pole Mount
Pilot Light Yes Yes (*1) Yes Pushbutton Yes (*2) Yes (*2) Yes Emergency Pushbutton Yes Yes Yes Selector Switch Yes Yes Yes Key Selector Switch Yes Yes Yes Meter Yes Yes Yes (*3) Buzzer Yes Variable Resistor Yes
Pipe Parallel Thread
Metric Thread (standard) NPT Thread (standard)
Reducer Screw (standard)
NPT Thread/Pipe Parallel Thread Metric Thread Metric Thread/NPT Thread
Cable Lead-in Fitting — (*4) — (*4) Yes (HPN) Lead-in Port Plug — (*4) — (*4) Yes (GBE) Degree of Protection IP65 IP65, TYPE4X (UL) IP65 Grounding Terminal Screw Material Stainless Steel Stainless Steel Brass Stranded Wire (mm2) 1.25 to 2.5 1.5 to 2.5 1.25 to 2.5
Solid Wire (mm2) 1.2 to 1.6 1.2 to 1.6 1.2 to 1.6
Solid/Stranded Wire (AWG) 16-14 16-14 16-14 *1: c-UL explosion protection is different when pilot light is installed. *2: Part no. is different from TIIS certified model. *3: Part no. of TIIS certified meter is different from the meter certified by other organizations. *4: Use fittings and plugs commercially available compliant to the corresponding standards.
Page Summary Contents For IDEC EC2B Catalog
Manual Details
| Brand | IDEC |
|---|---|
| Pages | 30 |
| File Size | 1.71 MB |
| Published | June 05, 2026 |
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Frequently Asked Questions
What is the IP rating for the control boxes?
They have a degree of protection of IP65 (IEC 60529) and Type4X (UL).
What types of environments are these boxes suitable for?
They are suitable for areas with explosive gases/steam, including hydrogen and acetylene, as well as dusty environments.
What is the standard material for the enclosure?
The housing material is corrosion resistant Stainless steel (SUS304).
Are they available to customize according to specific needs?
Yes, special coatings, buffing (#400), and colors are possible; also contact IDEC for custom order models.