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