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Features

Trip Free
Will trip open on overload even when forcibly held in the ON position. This prevents the operator from damaging the circuit by holding the breaker on.

Trip Indication
The operating handle moves positively to the OFF or mid-trip position on electrical overload. Ambient Operation IAL/IUL/IEL protectors operate in temperatures between –40°C to +85°C.

Insulation Resistance
Not less than 100 megohms at 500 volts DC.

Dielectric Strength
IAL/IUL/IEL protectors withstand 3750Vac (1250Vac for LEL), 60Hz for 60 seconds between all electrically isolated terminals except auxiliary switch terminals shall withstand 600Vac, 60Hz for REG and REC types. Four terminal dual coil and relay construction (not offered in the LEL) will withstand 1500Vac.

Endurance
Operating as a switch, the operating life exceeds 10,000 operations, 6000 at rated load, 4000 without load, at a rate of 6 per minute. 

Electrical Characteristics
.050-100 amperes 80Vdc, 240Vac Max., 240/415Vac at 50 amperes Max., 50/60Hz and 400Hz. Consult factory for specific product ratings. Units rated for 240/415Vac and above 50 amperes are not suitable for across-the-line motor starting.

Poles
One through six poles available.

Construction
Series, shunt, relay dual coil and series with auxiliary switch available in various delays and combinations.

Auxiliary Switch
When supplied shall be S.P.D.T. configuration. Non VDE approved switches have a maximum UL rating of 10.0 amperes, 250 volts, 60Hz; 3.0 amperes, 50 volts DC (REC type) or 0.1 amperes, 125 volts, 60Hz (REG type). VDE approved switches have a maximum UL rating of 10.0 amperes, 250 volts, 60Hz (REC type); or 0.1 amperes, 125 volts, 60Hz (REG; type). The maximum VDE ratings are 1.0 amperes, 125 volts, 60Hz (REC type); 0.1 amperes, 125 volts, 60Hz (REG type).

Salt Spray (Corrosion)
Meet the requirements of MIL-PRF-55629 when tested in accordance with Method 101 of MIL-STD-202.

Moisture Resistance
Meet all the requirements of MIL-PRF-55629 when tested in accordance with Method 106 of MIL-STD-202.

Shock
Circuit protectors shall not trip when tested per MIL-STD-202, Method 213, Test Condition I with 100% rated current applied to delayed units and 80% rated current to instantaneous units.

Vibration
Circuit protectors shall not trip when vibrated per MILSTD- 202, Method 204, Test Condition A with 100% rated current applied to delayed units and 80% rated current to instantaneous units.

UL-1500 (Marine Ignition Protected)
The IDL/IDLH is approved for Marine Ignition Protection (series configuration only), covering ignition protected circuit breakers. This specification requires devices to be used in accordance with the requirementsof U.S. Coast Guard and Fire Protection Standard for Pleasure and Commercial Motor Craft, ANSI/MFPA #302.

Downloads

Specifications

Ounces Grams
3.1 90

 

Component Torque (in-lbs)
6-32 Mounting Inserts 6 to 8
M3 Mounting Screws 4 to 5
10-32 Screw Terminals 14 to 15
M5 Terminal Screws 14 to 15
10-32 Stud Terminals 13 to 14
M5 Stud Terminals 13 to 14
1/4 - 20 Stud Terminals 40 to 45
M6 Stud Terminals 40 to 45
1/2 - 32 Mounting Bushing 30 to 35
Where applicable, mechanical support must be provide to the terminals when applying torque