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SDC 100/200 Series Direct Throw Electric Bolt Lock — Field-Selectable 12/24VDC
The SDC 100/200 Series Direct Throw Electric Bolt Lock delivers reliable electromechanical locking for commercial access control applications. Field-selectable 12/24 VDC dual voltage operation and field-selectable fail-safe or fail-secure modes make this bolt lock straightforward to integrate with virtually any access control system. Stainless steel bolt construction and a low-profile form factor suit metal doors, cabinets, and specialty enclosures where dependable, no-frills locking is required.
Features & Benefits
- Field-Selectable Dual Voltage (12/24 VDC): Single SKU works with either voltage — no rewiring required when system voltage changes.
- Field-Selectable Fail-Safe / Fail-Secure: Configure on-site to match your egress and security requirements without ordering a separate model.
- Adjustable Bolt Assembly (110 / 210 models): Bolt assembly adjusts up to 1" forward of the faceplate to accommodate wide door gaps or non-standard door/frame alignments.
- Automatic Relock (160 / 260 / 180 / 280 models): Field-adjustable automatic relock ball switch holds the bolt retracted while the door is open and projects it automatically when the door closes — no separate controller logic needed.
- Surface Mount Option (180AI / 280AH models): Universal surface mount design with integrated automatic relock switch for applications where mortise installation is not possible.
- Stainless Steel Bolt: Corrosion-resistant construction for long service life in demanding environments.
- Integrated Voltage & Current Spike Protection: Protects electronics from transient spikes on the control circuit, extending component life.
- Bidirectional Operation: Compatible with swinging and sliding door applications.
Technical Specifications
- Voltage: 12/24 VDC, field-selectable
- Fail Mode: Fail-safe or fail-secure, field-selectable
- Bolt Material: Stainless steel
- Mounting: Mortise (110I, 160I, 210H, 260H) or surface mount (180AI, 280AH)
- Auto-Relock: Yes — models 160I, 260H, 180AI, 280AH
- Application: Commercial
Typical Applications
- Commercial building access control
- Healthcare facility door security
- Educational institution controlled access
- Retail loss prevention
- Industrial and utility enclosure security
- Specialty cabinet and secure storage locking
Manufacturer Resources
SDC Full Catalog
Product Specs
- Series:
- 100/200 Series
- Subcategory:
- Mortise Bolt Lock
- Product Group:
- Mechanical Locks
- Product Subgroup:
- Mortise Locks and Trim
- Product Type:
- Mortise Bolts
- Commercial/Residential:
- Commercial
- Electronic:
- Yes
- Fail-Safe/Fail-Secure:
- Field Selectable
- Tags:
- sdc 110iv, sdc direct throw bolt lock, sdc 110 series bolt lock
- Product Model:
- 110I, 210H, 160I, 260H, 180AI, 280AH
- Product Voltage:
- 12/24VDC
- Product Category:
- Mechanical Locks
- Department:
- Door Hardware
SDC 210HV – Frequently Asked Questions
1) What applications are SDC 200 Series electric bolt locks designed for?
SDC 200 Series locks work on single or double doors requiring fail-safe or fail-secure operation. Common uses include office buildings, schools, hospitals, and retail facilities. The conventional direct throw design suits standard commercial door frames.
2) How do I determine the correct handing for my door?
Stand on the secure side facing the door. If the door swings away from you and hinges are on the left, order left hand. If hinges are on the right, order right hand. Specify handing when ordering to ensure proper fit.
3) What power requirements do these electric bolt locks have?
Most SDC 200 Series models operate on 12VDC or 24VDC. Check the specific model specifications for exact voltage and current draw. Use a properly sized power supply with adequate current capacity for reliable operation.
4) Are these locks compatible with access control systems?
Yes, SDC 200 Series locks integrate with most access control panels and card readers. They accept standard low voltage control signals. Verify voltage compatibility between your access control system and the lock model selected.
5) What finishes are available for the 200 Series?
Standard finishes include aluminum, dark bronze, and black. Some models offer additional finish options. The finish should coordinate with existing door hardware for a professional appearance.
6) Do these locks meet fire and building code requirements?
SDC 200 Series locks are designed for code compliance when properly specified. Consult local fire marshal and building officials for specific requirements. Consider fail-safe operation for life safety applications and egress requirements.
7) What mounting hardware and templates are included?
Most models include mounting screws and installation templates. Templates show exact hole locations and dimensions. Always verify template measurements against your door frame before drilling holes.
8) How deep does the door frame need to be for installation?
Frame depth requirements vary by model. Most require at least 1-5/8 inches of frame depth. Check the manufacturer template for your specific model to ensure adequate clearance for the lock body and wiring connections.
9) Can I adjust the bolt throw distance?
The 200 Series typically has a fixed bolt throw distance. Some models may offer limited adjustment capability. Check the installation manual for your specific model to determine available adjustments during setup.
10) What other SDC electric lock models are available?
SDC offers multiple series including the 100 Series for lighter duty and 300 Series for heavy-duty applications. Browse our SDC collection to compare features and find the right model for your project requirements.
11) How do I maintain these electric bolt locks?
Regular maintenance includes checking bolt alignment, cleaning contact surfaces, and testing operation. Inspect wiring connections annually for tightness and corrosion. Keep the strike area clear of debris that could interfere with proper bolt engagement.
How fast can I get the SDC 210HV delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
continental
U.S.
Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the SDC 210HV come with a warranty?
Absolutely. The SDC 210HV is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the SDC 210HV?
You can call, text, or email our expert support team for fast answers. We’re here to help with
product
selection,
installation tips, and troubleshooting. Contact Us
Why buy the SDC 210HV from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support,
and
rewards on
every order.
Our team is always ready to help you choose the right product for your project.