C L A S S
12 AMP ADJUSTABLE TIME DELAY RELAY
388
CLASS 388 ADJUSTABLE
CHOICE OF LONG or MEDIUM BODY
± 0.1 % REPEATABILITY
UL Recognized
File No: E43641
COMPLIES WITH
REQUIREMENTS OF
* IEC STANDARDS
947-4-1 AND 947-5-1
LOW VOLTAGE DIRECTIVE.
DPDT, 12 AMP CONTACTS
FIELD ADJUSTABLE TIMING
"ON" or "OFF" DELAY FUNCTIONS
*1EC = INTERNATIONAL
ELECTROTECHNICAL ICOMMISSION
* 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
Timing Adjustments Available:
Repeatability:
.1 to 1 Seconds to 8 to 120 Minutes
±0.1% ± 33 mS AC min. or ± 10 mS DC.
@ Constant Voltage & Temperature.
Timing change over temperature
and voltage Range:
± 10%
Timing Tolerance high end:
Timing Tolerance low end:
Reset Time:
- 0 to + 40%
+ 0 to - 40%
100 mS Max.
CONTACTS
Contact Configuration:
Contact Rating:
DPDT (2 Form C)
12 Amps @ 120 VAC/28 VDC Resistive
1/3 HP, 120 VAC, 1/2 HP, 240 VAC
NEMA B300 Pilot Duty.
Contact Life:
100,000 Operations @ 120 VAC 12 Amps Resistive Load.
1,000,000 Operations @ 120 VAC 5 Amps Resistive Load
2,000,000 Operations @ 120 VAC 2 Amps Resistive Load.
5,000,000 Operations
Mechanical Life:
INPUT
Temperature Range (Operate):
Temperature Range (Storage):
Steady State Input Current:
- 30 ˚C to + 55˚C
- 55 ˚C to + 85˚C
20 mA @ 120 VAC, 60 mA @ 24 VDC, 20mA @ 48 VDC,
80 mA @ 24 VAC, 15 mA @ 230 VAC, 120mA @ 12 VDC
PROTECTION
Reverse Polarity:
Transient:
DC models only
UL 508 Surge test: 5000V for 50 uS (Long Body Only).
Twice Nominal for 1 Millisecond (Medium Body Only).
NEMA ICS2-230: 2500 VAC (Long Body Only).
Noise Immunity:
DIELECTRIC STRENGTH
Coil to Contacts:
2000 V rms
1000 V rms
Across Open Contacts:
MECHANICAL
Enclosure:
Polycarbonate dust cover.
3/16" Q.C. Terminals. P.C. Available.
Any
Terminals:
Mounting Position:
Weight:
Aprox. 4 oz., 96 grams
PAGE 122
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ETC [ ETC ]
