IMPORTANT NOTICE: The APL/UPL is a legacy product and no new design-in orders are being accepted. We are also discontinuing the 205 series (APL with dust proof enclosure). If the specifications for any of these products are necessary for your system, Sensata Technologies recommends utilizing the Airpax™ IAL series. The APL/UPL magnetic circuit protector provides reliable, low-cost power switching, circuit protection and circuit control. The handle opens and closes a circuit, under normal load conditions, similar to an ON-OFF switch. Upon overload, the internal mechanism trips, opens the contacts and forcibly returns the handle to the OFF position. Since the protector is “trip free,” the internal contacts will not remain closed in the presence of an overload, even though the handle is held in the ON position. The APL/UPL line offers many configurations including series, shunt and relay with a choice of delays and ratings. APL/UPL multi-pole assemblies are available with a mix of current ratings, delays and internal circuit configurations. While designed for industrial, military and information processing applications, the APL is suitable for use in any situation where precision operation is required. Most versions of the APL family are recognized by UL per UL STD. 1077 as supplementary protectors and certified by CSA per CSA STD. C22.2–No. 235 as supplementary protectors and are designated with the UPL prefix.
Features
Trip Free
Will trip open on overload, even when the handle is forcibly held on or restrained. This prevents operator from damaging the circuit by holding the handle in the ON position.
Trip Indication
The operating handle moves positively to the OFF position on overload.
Ambient Operation
Operates normally in temperatures between –40°C and +85°C.
Insulation Resistance
Not less than 100 megohms at 500Vdc.
Dielectric Strength
Withstands 1500Vac at 60Hz for 60 seconds or 1800Vac for one second from terminal to terminal, and from auxiliary switch terminal to main terminal.
Endurance
Per UL 1077 (6000 operations at rated load plus 4000 operations with no load). Tested at a maximum rate of 6 times per minute. Rating above 50 amperes operate a minimum of 5000 operations.
Shock
Withstands 100G or more without tripping while carrying full rated current per MIL-Std-202, Method 213, Test Condition I. Instantaneous types (delay 40, 50, 60 and 49, 59, 69) and dual coil configurations are tested at 80% of rated current. Protectors mounted in the handle down position are to be tested with no current applied (per MIL-PRF-55629).
Vibration
Withstands 10G without tripping while carrying full rated current per MIL-Std-202, Method 204, Test Condition A. Instantaneous types (delay 40, 50, 60 and 49, 59, 69) and dual coil configurations are tested at 80% of rated current.
Dual Coil Ratings
5-65Vdc and 5-250Vac for three terminal configurations. 5-120Vac and 5-120Vdc for four terminal configurations. Not available in delays 64, 65 and 66.
APL Ratings
0.050-50 amperes, 65Vdc, 250Vac maximum, 50/60Hz or 400Hz. 51-100 amperes at 65Vdc and 120Vac maximum. Ratings of 0.050-20 amperes at 277Vac, 50/60Hz are available upon request.
Auxiliary Switch Ratings
REC4 and REC5 are rated at 10 amperes, 250Vac or 3 amperes, 50Vdc. REG4 and REG5 are rated at 0.1 amperes, 125Vac.
UPL Ratings
UPL protectors are UL STD. 1077 (File No. E-66410) and CSA STD. C22.2–No. 235 (File No. LR-26229) recognized as supplementary protectors in the following configurations and ratings. Consult factory for further information.
Configurations
Series, Shunt, Relay, Auxiliary Switch, Switch Only, Dual Coil, No Voltage.
Poles
One through nine.
Moisture Resistance
Designed to meet the requirements of MIL-PRF-55629 when tested in accordance with Method 106 of MIL-Std-202.
Salt Spray (Corrosion)
Designed to meet the requirements of MIL-PRF-55629 when tested in accordance with Method 101 of MIL-Std-202.
