High energy spark igniter, Specifi cations, Standard hesi atex hesi – Forney HESI User Manual
Page 2

FM
APPROVED
High Energy Spark Ignition
H.E.S.I.
Model 312
A UTC Fire & Security Company
High Voltage
In: 230 VAC 60 HZ
Out: 2000 VDC, 12 Joules per spark
Series 90 J
Forney Corporation
www.forneycorp.com
800-356-7740
Power Supply Terminals
Flexible
Conduit
Cable
Plant
Ground
Power Unit
Spark Rod Assembly
Pub #404006-06
Rev 04/2013
High Energy Spark Igniter
Specifi cations
Standard HESI
ATEX HESI
Igniter Class:
Class 3 Special
Approval:
Factory Mutual
ATEX Exd IIC T6
Input Voltage:
120 to 240 VAC, 50/60 Hz
Input Power:
120 VAC @ 1.5 A (2-A fuse); 240 VAC @ 0.75A (1-A fuse)
Output Voltage:
2000 VDC
Output Energy:
12 joules per spark
Spark Rate:
3 per second (approximately)
Spark Rod Diameter:
0.625 in. (1.6 cm)
Spark Tip Type:
Surface gap
Spark Tip Material:
Stainless steel with a silicon carbide insulator
Maximum Tip Temperature:
1000°F (537.8° C)
Power Unit Temperature Ratings:
0°F to 135°F (-18°C to 57°C)
Power Unit Enclosure:
NEMA-4 or 4X approved
ATEX Exd IIC T6 approved
Power Cable Lengths:
6’, 12’, 15’ (15’ is standard)
Duty Cycle:
50% at temperature rating
Power Unit Dimensions:
Standard (NEMA-4)
10” x 8” x 4.25” (25.4 cm x 20.32 cm x 10.8 cm)
Spark Proof Indication
10” x 12” x 5” (25.4 cm x 30.48 cm x 12.7 cm)
Class I Div II
10” x 8” x 4.25” (25.4 cm x 20.3 cm x 10.8 cm)
Class I Div I
8” x 10” x 6” (20.3 cm x 25.4 cm x 15.2 cm)
ATEX
12.0” x 11.0” x 9.0” (30.48 cm x 27.94 cm x 22.86 cm)
Standard HESI
ATEX HESI
Forney Corporation • 3405 Wiley Post Road • Carrollton, TX 75006 • 800-356-7740 • Fax 972-458-6650 • www.forneycorp.com