APPLICABLE STANDARD
Note deleted
3
Operating Temperature
Range
Storage Temperature
Range
-25°C to +105°C(2)
-10°C to +60°C
Voltage
AC 1000V , DC 1500V
310A
Rating
Current
Applicable Cable
150mm2 (250/300MCM)
SPECIFICATIONS
ITEM
TEST METHOD
REQUIREMENTS
QT AT
CONSTRUCTION
General Examination
Marking
Examined visually and with a measuring instrument.
Confirmed visually.
X
X
X
According to the drawing.
X
ELECTRICAL CHARACTERISTICS
Contact Resistance
X
X
Measured at DC 1A.
0.1mΩ MAX.
―
Insulation Resistance
Voltage Proof
Measured at DC 500V.
1000MΩ MIN.
―
AC 5000V applied for 1min.
(JIS C 8201)
No flashover or breakdown.
X
X
―
―
Short-Time Withstand
Current Test
Measured at 18000A applied for 1s.
(JIS C 8201)
Contact Resistance: 0.15 mΩ MAX.
MECHANICAL CHARACTERISTICS
Crimp Contact Insertion
and Extraction Forces
Insertion Force: 280N MAX.
Extraction Force: 250N MAX.
Measured with an applicable connector.
X
X
―
―
1) No function impairing damage, cracks, or
looseness of parts.
2) Contact Resistance: 0.15mΩ MAX.
3) Insertion Force: 280N MAX.
4) Extraction Force: 250N MAX.
Contact Inserted and Extracted 50 times.
Mechanical Operation
Frequency: 10 Hz to 55 Hz
Single amplitude: 0.75 mm
Performed two hours in each of three mutually
perpendicular directions.
1) No electrical disconuity of 10μs.
2) No damage, cracks, or looseness of parts.
Vibration
X
―
(MIL-STD-1344 Method 2005, Condition 2)
Acceleration: 500 m/s2
Half sine wave pulses of 11 ms.
Performed five times both ways in each of three
mutually perpendicular directions.
1) No electrical disconuity of 10μs.
2) No damage, cracks, or looseness of parts.
Shock
X
X
―
―
A 427N pulling force was applied to the connection
Contact Retention Force
No damage.
side. (NECA C 2811)
2
ENVIRONMENTAL CHARACTERISTICS
1) Insulation Resistance: 20MΩ MIN.
2) Voltage Proof: AC 5000V applied for 1min.
No flashover or breakdown.
3) No damage, cracks, or looseness of parts.
1) Insulation Resistance: 20MΩ MIN.
2) Voltage Proof: AC 5000V applied for 1min.
No flashover or breakdown.
Subjected to 40±2°C, at a humidity 90% to 95%, for
96 hours. Returned to room temperature and normal
humidity, and removed of any water. (NECA C 2811)
Damp Heat
(Steady State)
X
X
―
―
Subjected to -25±3°C for 2 hours. Returned to room
Heat and Cold Resistance temperature for 1 hour. Subjected to 70±3°C for 2
hours . (NECA C 2811)
3) No damage, cracks, or looseness of parts.
Subjected to the following cycle 192 times with 310A
applied.
1) Contact Resistance: 0.15mΩ MAX.
X
Ageing Test
―
Subjected to 40±3°C for 10 minutes, cooled to 30°C 2) No damage, cracks, or looseness of parts.
and left for 10 minutes. (JIS C 8201)
COUNT
DESCRIPTION OF REVISIONS
DESIGNED
CHECKED
DATE
3
1
DIS-C-00017593
HR.SATO
KI.NAGANUMA
20240520
Notes
APPROVED
CHECKED
DESIGNED
DRAWN
TP.KOMATSU
TP.KOMATSU
EK.KIDO
20200304
20200227
20200226
20200226
(1) Above specifications show the values in assembled condition with
applicable crimp contacts.
(2) Including temperature rise caused by current carrying.
Unless otherwise specified, refer to IEC 60512 (JIS C 5402).
EK.KIDO
Note QT:Qualification Test AT:Assurance Test X:Applicable Test
DRAWING NO.
PART NO.
CODE NO.
ELC-385260-00-00
EF2A-DH250B-1
SPECIFICATION SHEET
3
1/1
△
HIROSE ELECTRIC CO., LTD.
CL0142-0226-0-00
FORM HD0011-2-1