236/237 Series - Nuclear Grade Time Delay Relay
Timer / Sensor Relays
Versitle, Rugged, Proven - Nuclear grade time delay versions of the popular 219 series. On-Delay and Off-Delay timing is available. Contacts can be configured up to 4PDT or 6PST. Blow out magnets can be added to increase DC switching capability. Time ranges are adjustable over a 1:100 range. Locking shaft potentiometer and integral hold down clip on plug is standard. A large option list makes this product easily customized for special applications.
Additional contact configurations and coil options are available – please use the RFQ/RFI tab above to submit your request.
Made in U.S.A.
See Data Sheet for additional Information 
Additional contact configurations and coil options are available – please use the RFQ/RFI tab above to submit your request.
Made in U.S.A.
| Items |
 236ABXP-020-120VAC 236TD /237 Series - Time Delay Relays |
236ABXP-020-115-125VDC 236TD /237 Series - Time Delay Relays |
236ABXP-200-120VAC 236TD /237 Series - Time Delay Relays |
236ABXP-200-125VDC 236TD /237 Series - Time Delay Relays |
237XBXP-020-120VAC 236TD /237 Series - Time Delay Relays |
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| Series | 236 | 236 | 236 | 236 | 237 | |||||
| Contact Arrangement | ABX (1 N.O. + DPDT) | ABX (1 N.O. + DPDT) | ABX (1 N.O. + DPDT) | ABX (1 N.O. + DPDT) | XBX (DPDT) - (2 form C) | |||||
| Mounting Options | Plug-in | |||||||||
| Timing Range | 0.2 - 20 s | 0.2 - 20 s | 2.0 - 200 s | 2.0 - 200 s | 0.2 - 20 s | |||||
| Adjustment Options | Locking shaft potentiometer | |||||||||
| Operating Voltage | 120 VAC | 115-125 VDC | 120 VAC | 125 VDC | 120 VAC | |||||
| Functions Available | On-delay, Off-delay, Interval | |||||||||
| Time Range | Up to 7 hours | |||||||||
| Timing Adjustment | Locking shaft potentiometer | |||||||||
| Timing Repeatability (Constant voltage and temperature) | 3% | |||||||||
| Reset Time maximum | 150 | |||||||||
| Input Pulse Length minimum | 50 | |||||||||
| Contact Configuration | DPDT, DPDT+NO | |||||||||
| Contact Material | Silver Alloy Gold Diffused | |||||||||
| Contact Rating | 10 A | |||||||||
| Contact Rating 120 / 240VAC Resistive | 10 A / 5 A | |||||||||
| Contact Rating 28VDC Resistive | 10 A | |||||||||
| Minimum Contact Load | 500 mW | |||||||||
| Contact Resistance, Initial | 100 milliohms max at 6VDC, 1A | |||||||||
| Coils Available | AC and DC | |||||||||
| Transient Protection | YES | |||||||||
| Reverse Polarity Protection | Yes | |||||||||
| Nominal Coil Power AC | 5 VA | |||||||||
| Nominal Coil Power DC | 2.5 W | |||||||||
| Input Voltage Tolerance - AC | 85% to 110% of nominal | |||||||||
| Input Voltage Tolerance - DC | 80% to 110% of nominal | |||||||||
| Duty | Continuous | |||||||||
| Across Open Contacts | 500 Vrms | |||||||||
| Between Mutually Insulated Point | 1500 Vrms | |||||||||
| Insulation Resistance | 1,000 Mohms min at 500VDC | |||||||||
| Operating | -20 to 70 ºC-4 to 158 ºF | |||||||||
| Storage | -40 TO 105 ºC-40 to 221 ºF | |||||||||
| Electrical (full load) | 100,000 | |||||||||
| Mechanical (no load) | 10,000,000 | |||||||||
| Mounting Position | any | |||||||||
| Mating Socket |
12 pin = 27390D 14 pin = 33377D |
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| Accessories | Hold down clip integral to relay | |||||||||
| Enclosure | Clear Polycarbonate | |||||||||
| Weight | 8.6 oz244 g | |||||||||
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