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SPECIFICATIONS
4015
May 2004
Hubbell Industrial Controls, Inc.
Repl.: January 1989
TYPE 4015 RECTIFIED DYNAMIC LOWERING
FOR HOIST SERVICE
All the advantages of a dc hoist controller on an
ac crane:
• Rugged dc series wound mill motor.
• Reliable dc series wound brake
• Time-proven dc dynamic lowering hoist
circuit.
• High-speed hoisting and lowering of empty
hook or light loads.
• Slow, stable hook speeds hoisting and
lowering with all loads.
• Reliable dc dynamic lowering with motor
connected as a generator and loaded with
the dynamic braking resistor.
• "Off point" braking because of spring-
closed dynamic braking contactor.
The complete hoist control system consists of a
power transformer, a silicon bridge rectifier and
the hoist controller with accessories.
• The power transformer is a totally
enclosed, nonventilated (TENV), three-
phase unit with delta connected primary
and a three-phase wye-connected
secondary.
• The rectifier unit is a three-phase full wave
bridge with diodes in parallel for
redundancy. Rectifier protection is
provided by fuses in each leg and a surge
suppressor and snubbing circuit on the dc
side. Output of the rectifier is 300V dc.
• The hoist controller is standard dc dynamic
lowering controller arranged for operation
from 300V dc power. The controller
components are all front-mounted, front-
removable, and front-wired.
A hoist control system with rectifier output of
360V dc is available as an option. Such a
system operates at higher speeds than the
300V dc system, resulting in a reduced duty
cycle time of about 15%.
Suitable for all NEMA and CMAA service
classes.
Recommended for: NEMA service Class I,
CMAA service Classes A1, C, D, E, F
MATERIAL LIST FOR TYPE 4015 SINGLE MOTOR CONTROLLER WITH PROTECTION
1 — Two pole main knife switch.
1 — Two pole fused control knife switch.
1 — Electronic overload relay with instantaneous and inverse time trip feature.
1 — 50mV ammeter shunt.
1 — Single pole main line contactor.
4 — Single pole directional contactors with mechanical interlocks.
1 — Single pole spring-closed contactor for dynamic lowering.
4 or 5 — Single pole accelerating contactors.
4 or 5 — Solid state "in-line" timers for acceleration.
2 — Voltage relays.
1 — Undervoltage relay
1 — Power transformer with three-phase delta primary and three-phase wye secondary (for
separate mounting by customer).
1 — Three-phase full wave rectifier bridge with current limiting fuses and surge suppressors.