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Corbin Russwin ML2048 PSR Entrance or Apartment Mortise Lockset
Lock Operation Detailed
- Latchbolt* by key outside or by grip either side, unless outside grip is locked by toggle-action stop.
- Deadbolt by key outside or by thumbturn grip inside.
- Inside grip free when deadbolt is retracted.
- Non-panic release.
- No simultaneous deadbolt and latch retraction.
- Note: Indicator shows deadbolt position only.
The Corbin Russwin ML2048 PSR is a heavy-duty Grade 1 Entrance or Apartment mortise lockset on Princeton Lever x R Escutcheon (PSR) trim. It is built on the ML2000 Series platform and is certified to A156.13 Series 1000, Operational and Security Grade 1.
Entrance Function -- What It Means
The Entrance or Apartment function (ANSI/BHMA F08/F10) is a single-cylinder lockbody with a deadbolt and a latchbolt. Latchbolt by key outside or by grip either side unless the outside grip is locked by a toggle-action stop. Deadbolt by key outside or by thumbturn grip inside. The inside grip is free when the deadbolt is retracted. The catalog prints non-panic release and no simultaneous deadbolt and latch retraction. An indicator, when specified, shows deadbolt position only. When lever handles are furnished, both outside and inside are locked when the deadbolt is projected.
Institutional Grade Features & Benefits
- Toggle-action stop: a mechanical stop in the inside faceplate locks or unlocks the outside grip. This is not a key or thumbturn lock.
- Non-panic release: the catalog prints non-panic release. This is not a panic-exit function.
- No simultaneous retract: deadbolt and latchbolt do not retract together.
- Latch when deadbolt is back: the latchbolt is by grip either side only when the deadbolt is retracted.
- Deadbolt by key or thumbturn: a key outside or a thumbturn inside throws or retracts the deadbolt.
- Inside free when deadbolt is back: the inside grip is free when the deadbolt is retracted.
- Deadbolt indicator only: when an indicator is specified, it shows deadbolt position only.
- Grade 1 certified: Certified A156.13 Series 1000, Operational and Security Grade 1.
- Field handing: Handed; quick reversible. The lockset can be re-handed without disassembling the lock case; see page 87.
- Fire listing: UL/cUL-UL10C Positive Pressure
- Warranty: Ten-year mechanical warranty.
Typical Applications
The ML2000 Series is a Grade 1 mortise lock designed to meet the rigors of high-traffic commercial, institutional, industrial and government applications.
- Commercial applications
- Institutional applications
- Industrial applications
- Government applications
This entrance listing is specified on entrance and apartment openings that use a toggle-action stop and a deadbolt in those settings.
Technical Details
| Feature | Details |
|---|---|
| Model Number | ML2048 PSR |
| Function | Entrance or Apartment (ANSI/BHMA F08/F10) |
| Series | Corbin Russwin ML2000 |
| Certification | Certified A156.13 Series 1000, Operational and Security Grade 1. |
| Accessibility | Meets A117.1 Accessibility Code. |
| Fire Listing | UL/cUL-UL10C Positive Pressure |
| Handing | Handed; quick reversible. The lockset can be re-handed without disassembling the lock case; see page 87. |
| Door Thickness | 1-3/4" (44mm) standard. Optional door thicknesses available; see Quick Codes, page 81. |
| Backset | 2-3/4" (70mm). |
| Lockcase | Heavy-gauge steel, 5-7/8" (149mm) x 4" (102mm) x 15/16" (24mm). |
| Front | Heavy-gauge steel, 8" (203mm) x 1-1/4" (32mm) x -3/32" (2mm). Accommodates flat doors and doors beveled 1/8" (3mm) in 2" (51mm). |
| Armored Front | Wrought brass, bronze or stainless steel attached by machine screws to lockcase front. |
| Latchbolt | 2-piece mechanical with anti-friction insert, 5/8" (16mm) x 1" (25mm) x 3/4" (19mm) throw. |
| Auxiliary Latch | 9/16" (14mm) effective throw and 3/8" (10mm) effective auxiliary latch deadlocking. |
| Deadbolt | One-piece stainless steel, 19/32" (15mm) x 1-1/4" (32mm) x 1" (25mm) throw. |
| Strike | Wrought brass, bronze or stainless steel, ANSI straight lip standard, 4-7/8" (124mm) x 1-1/4" (32mm) x 1-1/8" (29mm) lip to center. |
| Cylinder (standard) | Brass, 6-pin, L4 keyway, 0-bitted standard. |
| Hubs | Standard knob/lever hub is steel, 5/16" (8mm) |
| Trim | Princeton Lever x R Escutcheon |
| Warranty | Ten-year mechanical warranty. |
| Finish with BHMA code | 626 - US26D Satin Chrome or 630 - US32D Satin Stainless or 613 - US10B Oil Rubbed Bronze or 613E - US10BE Oil Rubbed Bronze Equal or BSP - Black Suede Powder Coat or 605 - US3 Polish Brass or 606 - US4 Satin Brass or 612 - US10 Satin Bronze or 619 - US15 Satin Nickel or 625 - US26 Polish Chrome or 629 - US32 Polish Stainless or WSP - White Suede Powder Coat or 611 - US9 Bright Bronze or 618 - US14 Bright Nickel or 722 - Black Oxidized Bronze, Oil Rubbed |
| Corbin Russwin Electrified Lock Options | M91 - Latchbolt Monitoring (LBM) or M92 - Request to Exit (REX) |
| Corbin Russwin Keyways | L4 Keyway or CL6 - LFIC less Core or LC - Less Cylinder or CL7 - LFIC 7-pin Less Core or CLS6 - SFIC 6-pin Less Core or CLS7 - SFIC 7-pin Less Core |
| Brand | Corbin Russwin |
| ANSI Mortise Lock Function | F08 - Front Door or Apartment Corridor Door |
| Trim Design | PSR |
| Series | Corbin Russwin - ML2000 Series |
| Door Handing | Field Reversible |
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