C L A S S
388
12 AMP ADJUSTABLE TIME DELAY RELAY
PLUG-IN STYLE
FLANGE MOUNT STYLE
CLASS 388
SHORT BODY
EXTERNAL
RESISTANCE
ADJUSTABLE
±
3 % REPEATABILITY
DPDT, 12 AMP CONTACTS
FIELD ADJUSTABLE TIMING
"ON" or "OFF" DELAY FUNCTIONS
AC-1, AC-3, DC-1, AC-15
(SEE SECTION 11 FOR RELEVANT UTILIZATION CATEGORIES.)
COMPLIES WITH
REQUIREMENTS OF
* IEC STANDARDS
947-4-1 AND 947-5-1
LOW VOLTAGE DIRECTIVE.
*1EC = INTERNATIONAL
ELECTROTECHNICAL COMMISSION
*
RELEVANT IEC CONTACT UTILIZATION CATEGORIES
UL Recognized
File No: E43641
On Delay, Off Delay
.1 to 1 Seconds to 24 Hours
±
0.1% max. or
±
33 mS AC min. or
±
10 mS DC.@ Constant Voltage & Temperature.
±
10%
- 0 to + 40%
+ 0 to - 40%
DPDT (2 Form C)
12 Amps @ 120 VAC/28 VDC Resistive
1/3 HP, 120 VAC, 1/2 HP, 240 VAC
B300 Pilot Duty.
100,000 Operations @ 120 VAC 12 Amps Resistive Load.
1,000,000 Operations @ 28 VDC 5 Amps Resistive Load.
5,000,000 Operations
- 30 C to + 55C
- 55C to + 85C
20 mA @ 120 VAC, 60 mA @ 24 VDC,
DC models only
Twice nominal voltage for 1 millisecond
1500 V rms
1000 V rms
Polycarbonate dust cover.
Any
3 oz. 96 grams
TIMING
Operating Modes Available:
Timing Adjustments Available:
Repeatability:
Percent Timing change over temperature
and voltage Range:
Timing Tolerance high end
Timing Tolerance low end:
CONTACTS
Contact Configuration:
Contact Rating:
Contact Life:
Mechanical Life:
INPUT
Temperature Range (Operate):
Temperature Range (Storage):
Steady State Input Current:
PROTECTION
Reverse Polarity:
Transient:
DIELECTRIC STRENGTH
Coil to Contacts:
Across Open Contacts:
MECHANICAL
Enclosure:
Operating Position:
Weight:
SPECIFICATIONS CLASS 388 TIME DELAY RELAYS
PAGE 120
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